Finding the Fourth Proportional to 137,099.83, 205,574.38 and 42,304.15

Step by Step Solution

1. Step 1: Write the proportion equation
   137,099.83 : 205,574.38 = 42,304.15 : x
2. Step 2: Convert to fraction form
   137,099.83/205,574.38 = 42,304.15/x
3. Step 3: Cross multiply
   137,099.83x = 205,574.38 × 42,304.15
4. Step 4: Simplify right side
   137,099.83x = 8,696,649,407.68
5. Step 5: Solve for x
   x = 8,696,649,407.68/137,099.83
6. Step 6: Final answer
   x = 63,432.97