Finding the Fourth Proportional to 1,164,868.10, 1,608,013.98 and 783,116.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,868.10 : 1,608,013.98 = 783,116.31 : x
2. Step 2: Convert to fraction form
   1,164,868.10/1,608,013.98 = 783,116.31/x
3. Step 3: Cross multiply
   1,164,868.10x = 1,608,013.98 × 783,116.31
4. Step 4: Simplify right side
   1,164,868.10x = 1,259,261,974,446.01
5. Step 5: Solve for x
   x = 1,259,261,974,446.01/1,164,868.10
6. Step 6: Final answer
   x = 1,081,033.96