Finding the Fourth Proportional to 2,617,522.52, 3,926,332.98 and 820,366.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617,522.52 : 3,926,332.98 = 820,366.20 : x
2. Step 2: Convert to fraction form
   2,617,522.52/3,926,332.98 = 820,366.20/x
3. Step 3: Cross multiply
   2,617,522.52x = 3,926,332.98 × 820,366.20
4. Step 4: Simplify right side
   2,617,522.52x = 3,221,030,866,737.28
5. Step 5: Solve for x
   x = 3,221,030,866,737.28/2,617,522.52
6. Step 6: Final answer
   x = 1,230,564.72