Finding the Fourth Proportional to 256,594.24, 384,781.23 and 88,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   256,594.24 : 384,781.23 = 88,131.52 : x
2. Step 2: Convert to fraction form
   256,594.24/384,781.23 = 88,131.52/x
3. Step 3: Cross multiply
   256,594.24x = 384,781.23 × 88,131.52
4. Step 4: Simplify right side
   256,594.24x = 33,911,354,667.37
5. Step 5: Solve for x
   x = 33,911,354,667.37/256,594.24
6. Step 6: Final answer
   x = 132,159.45