Finding the Fourth Proportional to 2,087,914.72, 2,881,274.76 and 1,216,694.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087,914.72 : 2,881,274.76 = 1,216,694.92 : x
2. Step 2: Convert to fraction form
   2,087,914.72/2,881,274.76 = 1,216,694.92/x
3. Step 3: Cross multiply
   2,087,914.72x = 2,881,274.76 × 1,216,694.92
4. Step 4: Simplify right side
   2,087,914.72x = 3,505,632,363,616.22
5. Step 5: Solve for x
   x = 3,505,632,363,616.22/2,087,914.72
6. Step 6: Final answer
   x = 1,679,011.28