Finding the Fourth Proportional to 91,645.59, 126,469.83 and 51,359.22

Step by Step Solution

1. Step 1: Write the proportion equation
   91,645.59 : 126,469.83 = 51,359.22 : x
2. Step 2: Convert to fraction form
   91,645.59/126,469.83 = 51,359.22/x
3. Step 3: Cross multiply
   91,645.59x = 126,469.83 × 51,359.22
4. Step 4: Simplify right side
   91,645.59x = 6,495,391,822.33
5. Step 5: Solve for x
   x = 6,495,391,822.33/91,645.59
6. Step 6: Final answer
   x = 70,875.12