Finding the Fourth Proportional to 130,941.36, 196,498.17 and 71,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,941.36 : 196,498.17 = 71,818.50 : x
2. Step 2: Convert to fraction form
   130,941.36/196,498.17 = 71,818.50/x
3. Step 3: Cross multiply
   130,941.36x = 196,498.17 × 71,818.50
4. Step 4: Simplify right side
   130,941.36x = 14,112,203,822.15
5. Step 5: Solve for x
   x = 14,112,203,822.15/130,941.36
6. Step 6: Final answer
   x = 107,774.99