Finding the Fourth Proportional to 130,941.39, 196,498.17 and 71,818.56

Step by Step Solution

1. Step 1: Write the proportion equation
   130,941.39 : 196,498.17 = 71,818.56 : x
2. Step 2: Convert to fraction form
   130,941.39/196,498.17 = 71,818.56/x
3. Step 3: Cross multiply
   130,941.39x = 196,498.17 × 71,818.56
4. Step 4: Simplify right side
   130,941.39x = 14,112,215,612.04
5. Step 5: Solve for x
   x = 14,112,215,612.04/130,941.39
6. Step 6: Final answer
   x = 107,775.06