Finding the Fourth Proportional to 132,602.74, 198,835.29 and 65,105.10

Step by Step Solution

1. Step 1: Write the proportion equation
   132,602.74 : 198,835.29 = 65,105.10 : x
2. Step 2: Convert to fraction form
   132,602.74/198,835.29 = 65,105.10/x
3. Step 3: Cross multiply
   132,602.74x = 198,835.29 × 65,105.10
4. Step 4: Simplify right side
   132,602.74x = 12,945,191,438.98
5. Step 5: Solve for x
   x = 12,945,191,438.98/132,602.74
6. Step 6: Final answer
   x = 97,623.86