Finding the Fourth Proportional to 2,617,802.10, 3,926,695.86 and 820,693.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617,802.10 : 3,926,695.86 = 820,693.17 : x
2. Step 2: Convert to fraction form
   2,617,802.10/3,926,695.86 = 820,693.17/x
3. Step 3: Cross multiply
   2,617,802.10x = 3,926,695.86 × 820,693.17
4. Step 4: Simplify right side
   2,617,802.10x = 3,222,612,472,969.28
5. Step 5: Solve for x
   x = 3,222,612,472,969.28/2,617,802.10
6. Step 6: Final answer
   x = 1,231,037.47