Finding the Fourth Proportional to 134,588.85, 185,731.61 and 74,158.05

Step by Step Solution

1. Step 1: Write the proportion equation
   134,588.85 : 185,731.61 = 74,158.05 : x
2. Step 2: Convert to fraction form
   134,588.85/185,731.61 = 74,158.05/x
3. Step 3: Cross multiply
   134,588.85x = 185,731.61 × 74,158.05
4. Step 4: Simplify right side
   134,588.85x = 13,773,494,020.96
5. Step 5: Solve for x
   x = 13,773,494,020.96/134,588.85
6. Step 6: Final answer
   x = 102,337.56