Finding the Fourth Proportional to 72,372,827.63, 99,875,273.51 and 39,333,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,372,827.63 : 99,875,273.51 = 39,333,078.50 : x
2. Step 2: Convert to fraction form
   72,372,827.63/99,875,273.51 = 39,333,078.50/x
3. Step 3: Cross multiply
   72,372,827.63x = 99,875,273.51 × 39,333,078.50
4. Step 4: Simplify right side
   72,372,827.63x = 3,928,401,972,776,756.50
5. Step 5: Solve for x
   x = 3,928,401,972,776,756.50/72,372,827.63
6. Step 6: Final answer
   x = 54,280,067.55