Finding the Fourth Proportional to 74,714.18, 103,105.61 and 42,448.86

Step by Step Solution

1. Step 1: Write the proportion equation
   74,714.18 : 103,105.61 = 42,448.86 : x
2. Step 2: Convert to fraction form
   74,714.18/103,105.61 = 42,448.86/x
3. Step 3: Cross multiply
   74,714.18x = 103,105.61 × 42,448.86
4. Step 4: Simplify right side
   74,714.18x = 4,376,715,604.10
5. Step 5: Solve for x
   x = 4,376,715,604.10/74,714.18
6. Step 6: Final answer
   x = 58,579.45