Finding the Fourth Proportional to 105,556.72, 158,339.96 and 58,774.32

Step by Step Solution

1. Step 1: Write the proportion equation
   105,556.72 : 158,339.96 = 58,774.32 : x
2. Step 2: Convert to fraction form
   105,556.72/158,339.96 = 58,774.32/x
3. Step 3: Cross multiply
   105,556.72x = 158,339.96 × 58,774.32
4. Step 4: Simplify right side
   105,556.72x = 9,306,323,477.83
5. Step 5: Solve for x
   x = 9,306,323,477.83/105,556.72
6. Step 6: Final answer
   x = 88,164.20