Finding the Fourth Proportional to 91,388.45, 137,037.71 and 32,215.52

Step by Step Solution

1. Step 1: Write the proportion equation
   91,388.45 : 137,037.71 = 32,215.52 : x
2. Step 2: Convert to fraction form
   91,388.45/137,037.71 = 32,215.52/x
3. Step 3: Cross multiply
   91,388.45x = 137,037.71 × 32,215.52
4. Step 4: Simplify right side
   91,388.45x = 4,414,740,825.20
5. Step 5: Solve for x
   x = 4,414,740,825.20/91,388.45
6. Step 6: Final answer
   x = 48,307.43