Finding the Fourth Proportional to 1,145,474.16, 1,580,661.86 and 662,070.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,474.16 : 1,580,661.86 = 662,070.62 : x
2. Step 2: Convert to fraction form
   1,145,474.16/1,580,661.86 = 662,070.62/x
3. Step 3: Cross multiply
   1,145,474.16x = 1,580,661.86 × 662,070.62
4. Step 4: Simplify right side
   1,145,474.16x = 1,046,509,766,446.89
5. Step 5: Solve for x
   x = 1,046,509,766,446.89/1,145,474.16
6. Step 6: Final answer
   x = 913,603.99