Finding the Fourth Proportional to 91,483.52, 126,226.56 and 57,930.24

Step by Step Solution

1. Step 1: Write the proportion equation
   91,483.52 : 126,226.56 = 57,930.24 : x
2. Step 2: Convert to fraction form
   91,483.52/126,226.56 = 57,930.24/x
3. Step 3: Cross multiply
   91,483.52x = 126,226.56 × 57,930.24
4. Step 4: Simplify right side
   91,483.52x = 7,312,334,915.17
5. Step 5: Solve for x
   x = 7,312,334,915.17/91,483.52
6. Step 6: Final answer
   x = 79,930.62