Finding the Fourth Proportional to 2,600,908.92, 3,900,969.72 and 707,797.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600,908.92 : 3,900,969.72 = 707,797.98 : x
2. Step 2: Convert to fraction form
   2,600,908.92/3,900,969.72 = 707,797.98/x
3. Step 3: Cross multiply
   2,600,908.92x = 3,900,969.72 × 707,797.98
4. Step 4: Simplify right side
   2,600,908.92x = 2,761,098,487,857.17
5. Step 5: Solve for x
   x = 2,761,098,487,857.17/2,600,908.92
6. Step 6: Final answer
   x = 1,061,589.84