Finding the Fourth Proportional to 256,703.01, 384,955.89 and 88,191.82

Step by Step Solution

1. Step 1: Write the proportion equation
   256,703.01 : 384,955.89 = 88,191.82 : x
2. Step 2: Convert to fraction form
   256,703.01/384,955.89 = 88,191.82/x
3. Step 3: Cross multiply
   256,703.01x = 384,955.89 × 88,191.82
4. Step 4: Simplify right side
   256,703.01x = 33,949,960,558.82
5. Step 5: Solve for x
   x = 33,949,960,558.82/256,703.01
6. Step 6: Final answer
   x = 132,253.85