Finding the Fourth Proportional to 105,442.56, 158,008.32 and 58,682.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,442.56 : 158,008.32 = 58,682.88 : x
2. Step 2: Convert to fraction form
   105,442.56/158,008.32 = 58,682.88/x
3. Step 3: Cross multiply
   105,442.56x = 158,008.32 × 58,682.88
4. Step 4: Simplify right side
   105,442.56x = 9,272,383,281.56
5. Step 5: Solve for x
   x = 9,272,383,281.56/105,442.56
6. Step 6: Final answer
   x = 87,937.77