Finding the Fourth Proportional to 235,150.72, 352,614.76 and 91,123.92

Step by Step Solution

1. Step 1: Write the proportion equation
   235,150.72 : 352,614.76 = 91,123.92 : x
2. Step 2: Convert to fraction form
   235,150.72/352,614.76 = 91,123.92/x
3. Step 3: Cross multiply
   235,150.72x = 352,614.76 × 91,123.92
4. Step 4: Simplify right side
   235,150.72x = 32,131,638,953.25
5. Step 5: Solve for x
   x = 32,131,638,953.25/235,150.72
6. Step 6: Final answer
   x = 136,642.74