Finding the Fourth Proportional to 1,146,072.62, 1,580,921.37 and 715,605.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,072.62 : 1,580,921.37 = 715,605.41 : x
2. Step 2: Convert to fraction form
   1,146,072.62/1,580,921.37 = 715,605.41/x
3. Step 3: Cross multiply
   1,146,072.62x = 1,580,921.37 × 715,605.41
4. Step 4: Simplify right side
   1,146,072.62x = 1,131,315,885,156.61
5. Step 5: Solve for x
   x = 1,131,315,885,156.61/1,146,072.62
6. Step 6: Final answer
   x = 987,124.08