Finding the Fourth Proportional to 1,152,156.48, 1,729,116.82 and 521,513.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,156.48 : 1,729,116.82 = 521,513.16 : x
2. Step 2: Convert to fraction form
   1,152,156.48/1,729,116.82 = 521,513.16/x
3. Step 3: Cross multiply
   1,152,156.48x = 1,729,116.82 × 521,513.16
4. Step 4: Simplify right side
   1,152,156.48x = 901,757,176,807.35
5. Step 5: Solve for x
   x = 901,757,176,807.35/1,152,156.48
6. Step 6: Final answer
   x = 782,669.01