Finding the Fourth Proportional to 91,772.30, 126,670.54 and 59,940.52

Step by Step Solution

1. Step 1: Write the proportion equation
   91,772.30 : 126,670.54 = 59,940.52 : x
2. Step 2: Convert to fraction form
   91,772.30/126,670.54 = 59,940.52/x
3. Step 3: Cross multiply
   91,772.30x = 126,670.54 × 59,940.52
4. Step 4: Simplify right side
   91,772.30x = 7,592,698,036.28
5. Step 5: Solve for x
   x = 7,592,698,036.28/91,772.30
6. Step 6: Final answer
   x = 82,734.09