Finding the Fourth Proportional to 91,945.06, 126,870.45 and 51,651.15

Step by Step Solution

1. Step 1: Write the proportion equation
   91,945.06 : 126,870.45 = 51,651.15 : x
2. Step 2: Convert to fraction form
   91,945.06/126,870.45 = 51,651.15/x
3. Step 3: Cross multiply
   91,945.06x = 126,870.45 × 51,651.15
4. Step 4: Simplify right side
   91,945.06x = 6,553,004,978.25
5. Step 5: Solve for x
   x = 6,553,004,978.25/91,945.06
6. Step 6: Final answer
   x = 71,270.88