Finding the Fourth Proportional to 91,656.01, 126,490.25 and 51,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,656.01 : 126,490.25 = 51,382.72 : x
2. Step 2: Convert to fraction form
   91,656.01/126,490.25 = 51,382.72/x
3. Step 3: Cross multiply
   91,656.01x = 126,490.25 × 51,382.72
4. Step 4: Simplify right side
   91,656.01x = 6,499,412,910.71
5. Step 5: Solve for x
   x = 6,499,412,910.71/91,656.01
6. Step 6: Final answer
   x = 70,910.93