Finding the Fourth Proportional to 137,667.60, 206,502.84 and 58,732.56

Step by Step Solution

1. Step 1: Write the proportion equation
   137,667.60 : 206,502.84 = 58,732.56 : x
2. Step 2: Convert to fraction form
   137,667.60/206,502.84 = 58,732.56/x
3. Step 3: Cross multiply
   137,667.60x = 206,502.84 × 58,732.56
4. Step 4: Simplify right side
   137,667.60x = 12,128,440,440.47
5. Step 5: Solve for x
   x = 12,128,440,440.47/137,667.60
6. Step 6: Final answer
   x = 88,099.45