Finding the Fourth Proportional to 258,522.01, 388,146.31 and 132,252.83

Step by Step Solution

1. Step 1: Write the proportion equation
   258,522.01 : 388,146.31 = 132,252.83 : x
2. Step 2: Convert to fraction form
   258,522.01/388,146.31 = 132,252.83/x
3. Step 3: Cross multiply
   258,522.01x = 388,146.31 × 132,252.83
4. Step 4: Simplify right side
   258,522.01x = 51,333,447,951.56
5. Step 5: Solve for x
   x = 51,333,447,951.56/258,522.01
6. Step 6: Final answer
   x = 198,565.10