Finding the Fourth Proportional to 76,714.53, 105,858.48 and 42,726.18

Step by Step Solution

1. Step 1: Write the proportion equation
   76,714.53 : 105,858.48 = 42,726.18 : x
2. Step 2: Convert to fraction form
   76,714.53/105,858.48 = 42,726.18/x
3. Step 3: Cross multiply
   76,714.53x = 105,858.48 × 42,726.18
4. Step 4: Simplify right side
   76,714.53x = 4,522,928,787.86
5. Step 5: Solve for x
   x = 4,522,928,787.86/76,714.53
6. Step 6: Final answer
   x = 58,957.92