Finding the Fourth Proportional to 130,951.52, 196,513.32 and 71,828.72

Step by Step Solution

1. Step 1: Write the proportion equation
   130,951.52 : 196,513.32 = 71,828.72 : x
2. Step 2: Convert to fraction form
   130,951.52/196,513.32 = 71,828.72/x
3. Step 3: Cross multiply
   130,951.52x = 196,513.32 × 71,828.72
4. Step 4: Simplify right side
   130,951.52x = 14,115,300,238.55
5. Step 5: Solve for x
   x = 14,115,300,238.55/130,951.52
6. Step 6: Final answer
   x = 107,790.27