Finding the Fourth Proportional to 1,018,300.86, 1,405,098.96 and 588,497.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,300.86 : 1,405,098.96 = 588,497.98 : x
2. Step 2: Convert to fraction form
   1,018,300.86/1,405,098.96 = 588,497.98/x
3. Step 3: Cross multiply
   1,018,300.86x = 1,405,098.96 × 588,497.98
4. Step 4: Simplify right side
   1,018,300.86x = 826,897,899,660.10
5. Step 5: Solve for x
   x = 826,897,899,660.10/1,018,300.86
6. Step 6: Final answer
   x = 812,036.93