Finding the Fourth Proportional to 91,392.72, 126,084.84 and 59,550

Step by Step Solution

1. Step 1: Write the proportion equation
   91,392.72 : 126,084.84 = 59,550 : x
2. Step 2: Convert to fraction form
   91,392.72/126,084.84 = 59,550/x
3. Step 3: Cross multiply
   91,392.72x = 126,084.84 × 59,550
4. Step 4: Simplify right side
   91,392.72x = 7,508,352,222
5. Step 5: Solve for x
   x = 7,508,352,222/91,392.72
6. Step 6: Final answer
   x = 82,154.82