Finding the Fourth Proportional to 74,505.47, 102,818.57 and 42,674.34

Step by Step Solution

1. Step 1: Write the proportion equation
   74,505.47 : 102,818.57 = 42,674.34 : x
2. Step 2: Convert to fraction form
   74,505.47/102,818.57 = 42,674.34/x
3. Step 3: Cross multiply
   74,505.47x = 102,818.57 × 42,674.34
4. Step 4: Simplify right side
   74,505.47x = 4,387,714,786.69
5. Step 5: Solve for x
   x = 4,387,714,786.69/74,505.47
6. Step 6: Final answer
   x = 58,891.18