Finding the Fourth Proportional to 93,233.52, 138,868.47 and 91,289.52

Step by Step Solution

1. Step 1: Write the proportion equation
   93,233.52 : 138,868.47 = 91,289.52 : x
2. Step 2: Convert to fraction form
   93,233.52/138,868.47 = 91,289.52/x
3. Step 3: Cross multiply
   93,233.52x = 138,868.47 × 91,289.52
4. Step 4: Simplify right side
   93,233.52x = 12,677,235,969.43
5. Step 5: Solve for x
   x = 12,677,235,969.43/93,233.52
6. Step 6: Final answer
   x = 135,972.94