Finding the Fourth Proportional to 72,947,055,828.52, 109,278,081,719.10 and 50,253,401,275.78

Step by Step Solution

1. Step 1: Write the proportion equation
   72,947,055,828.52 : 109,278,081,719.10 = 50,253,401,275.78 : x
2. Step 2: Convert to fraction form
   72,947,055,828.52/109,278,081,719.10 = 50,253,401,275.78/x
3. Step 3: Cross multiply
   72,947,055,828.52x = 109,278,081,719.10 × 50,253,401,275.78
4. Step 4: Simplify right side
   72,947,055,828.52x = 5,491,595,291,277,410,697,216
5. Step 5: Solve for x
   x = 5,491,595,291,277,410,697,216/72,947,055,828.52
6. Step 6: Final answer
   x = 75,281,931,928.64