Finding the Fourth Proportional to 1,107,196.30, 1,661,572.05 and 708,805.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,196.30 : 1,661,572.05 = 708,805.90 : x
2. Step 2: Convert to fraction form
   1,107,196.30/1,661,572.05 = 708,805.90/x
3. Step 3: Cross multiply
   1,107,196.30x = 1,661,572.05 × 708,805.90
4. Step 4: Simplify right side
   1,107,196.30x = 1,177,732,072,315.10
5. Step 5: Solve for x
   x = 1,177,732,072,315.10/1,107,196.30
6. Step 6: Final answer
   x = 1,063,706.65