Finding the Fourth Proportional to 137,382.72, 206,103.69 and 42,611.02

Step by Step Solution

1. Step 1: Write the proportion equation
   137,382.72 : 206,103.69 = 42,611.02 : x
2. Step 2: Convert to fraction form
   137,382.72/206,103.69 = 42,611.02/x
3. Step 3: Cross multiply
   137,382.72x = 206,103.69 × 42,611.02
4. Step 4: Simplify right side
   137,382.72x = 8,782,288,521.07
5. Step 5: Solve for x
   x = 8,782,288,521.07/137,382.72
6. Step 6: Final answer
   x = 63,925.72