Finding the Fourth Proportional to 1,152,070.02, 1,727,953.29 and 342,437.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,070.02 : 1,727,953.29 = 342,437.15 : x
2. Step 2: Convert to fraction form
   1,152,070.02/1,727,953.29 = 342,437.15/x
3. Step 3: Cross multiply
   1,152,070.02x = 1,727,953.29 × 342,437.15
4. Step 4: Simplify right side
   1,152,070.02x = 591,715,404,280.61
5. Step 5: Solve for x
   x = 591,715,404,280.61/1,152,070.02
6. Step 6: Final answer
   x = 513,610.63