Finding the Fourth Proportional to 137,061.10, 205,613.70 and 42,268.96

Step by Step Solution

1. Step 1: Write the proportion equation
   137,061.10 : 205,613.70 = 42,268.96 : x
2. Step 2: Convert to fraction form
   137,061.10/205,613.70 = 42,268.96/x
3. Step 3: Cross multiply
   137,061.10x = 205,613.70 × 42,268.96
4. Step 4: Simplify right side
   137,061.10x = 8,691,077,260.75
5. Step 5: Solve for x
   x = 8,691,077,260.75/137,061.10
6. Step 6: Final answer
   x = 63,410.24