Finding the Fourth Proportional to 129,861.72, 194,773.10 and 41,103.72

Step by Step Solution

1. Step 1: Write the proportion equation
   129,861.72 : 194,773.10 = 41,103.72 : x
2. Step 2: Convert to fraction form
   129,861.72/194,773.10 = 41,103.72/x
3. Step 3: Cross multiply
   129,861.72x = 194,773.10 × 41,103.72
4. Step 4: Simplify right side
   129,861.72x = 8,005,898,760.41
5. Step 5: Solve for x
   x = 8,005,898,760.41/129,861.72
6. Step 6: Final answer
   x = 61,649.41