Finding the Fourth Proportional to 1,018,498.32, 1,405,596.24 and 588,887.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,498.32 : 1,405,596.24 = 588,887.28 : x
2. Step 2: Convert to fraction form
   1,018,498.32/1,405,596.24 = 588,887.28/x
3. Step 3: Cross multiply
   1,018,498.32x = 1,405,596.24 × 588,887.28
4. Step 4: Simplify right side
   1,018,498.32x = 827,737,746,551.83
5. Step 5: Solve for x
   x = 827,737,746,551.83/1,018,498.32
6. Step 6: Final answer
   x = 812,704.09