Finding the Fourth Proportional to 258,561.56, 387,766.56 and 100,752.32

Step by Step Solution

1. Step 1: Write the proportion equation
   258,561.56 : 387,766.56 = 100,752.32 : x
2. Step 2: Convert to fraction form
   258,561.56/387,766.56 = 100,752.32/x
3. Step 3: Cross multiply
   258,561.56x = 387,766.56 × 100,752.32
4. Step 4: Simplify right side
   258,561.56x = 39,068,380,538.42
5. Step 5: Solve for x
   x = 39,068,380,538.42/258,561.56
6. Step 6: Final answer
   x = 151,098.95