Finding the Fourth Proportional to 91,096.55, 125,771.73 and 57,151.58

Step by Step Solution

1. Step 1: Write the proportion equation
   91,096.55 : 125,771.73 = 57,151.58 : x
2. Step 2: Convert to fraction form
   91,096.55/125,771.73 = 57,151.58/x
3. Step 3: Cross multiply
   91,096.55x = 125,771.73 × 57,151.58
4. Step 4: Simplify right side
   91,096.55x = 7,188,053,088.83
5. Step 5: Solve for x
   x = 7,188,053,088.83/91,096.55
6. Step 6: Final answer
   x = 78,905.88