Finding the Fourth Proportional to 1,078,732.71, 1,488,686.90 and 588,729.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,732.71 : 1,488,686.90 = 588,729.05 : x
2. Step 2: Convert to fraction form
   1,078,732.71/1,488,686.90 = 588,729.05/x
3. Step 3: Cross multiply
   1,078,732.71x = 1,488,686.90 × 588,729.05
4. Step 4: Simplify right side
   1,078,732.71x = 876,433,213,997.37
5. Step 5: Solve for x
   x = 876,433,213,997.37/1,078,732.71
6. Step 6: Final answer
   x = 812,465.59