Finding the Fourth Proportional to 131,501.42, 197,301.82 and 78,947.54

Step by Step Solution

1. Step 1: Write the proportion equation
   131,501.42 : 197,301.82 = 78,947.54 : x
2. Step 2: Convert to fraction form
   131,501.42/197,301.82 = 78,947.54/x
3. Step 3: Cross multiply
   131,501.42x = 197,301.82 × 78,947.54
4. Step 4: Simplify right side
   131,501.42x = 15,576,493,326.52
5. Step 5: Solve for x
   x = 15,576,493,326.52/131,501.42
6. Step 6: Final answer
   x = 118,451.14