Finding the Fourth Proportional to 137,426.16, 206,158.82 and 42,664.52

Step by Step Solution

1. Step 1: Write the proportion equation
   137,426.16 : 206,158.82 = 42,664.52 : x
2. Step 2: Convert to fraction form
   137,426.16/206,158.82 = 42,664.52/x
3. Step 3: Cross multiply
   137,426.16x = 206,158.82 × 42,664.52
4. Step 4: Simplify right side
   137,426.16x = 8,795,667,099.07
5. Step 5: Solve for x
   x = 8,795,667,099.07/137,426.16
6. Step 6: Final answer
   x = 64,002.86