Finding the Fourth Proportional to 91,410.52, 126,146.16 and 51,124.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,410.52 : 126,146.16 = 51,124.12 : x
2. Step 2: Convert to fraction form
   91,410.52/126,146.16 = 51,124.12/x
3. Step 3: Cross multiply
   91,410.52x = 126,146.16 × 51,124.12
4. Step 4: Simplify right side
   91,410.52x = 6,449,111,421.38
5. Step 5: Solve for x
   x = 6,449,111,421.38/91,410.52
6. Step 6: Final answer
   x = 70,551.09