Finding the Fourth Proportional to 74,238.10, 111,381.60 and 49,375.96

Step by Step Solution

1. Step 1: Write the proportion equation
   74,238.10 : 111,381.60 = 49,375.96 : x
2. Step 2: Convert to fraction form
   74,238.10/111,381.60 = 49,375.96/x
3. Step 3: Cross multiply
   74,238.10x = 111,381.60 × 49,375.96
4. Step 4: Simplify right side
   74,238.10x = 5,499,573,426.34
5. Step 5: Solve for x
   x = 5,499,573,426.34/74,238.10
6. Step 6: Final answer
   x = 74,080.20