Finding the Fourth Proportional to 101,811.12, 152,552.52 and 55,086

Step by Step Solution

1. Step 1: Write the proportion equation
   101,811.12 : 152,552.52 = 55,086 : x
2. Step 2: Convert to fraction form
   101,811.12/152,552.52 = 55,086/x
3. Step 3: Cross multiply
   101,811.12x = 152,552.52 × 55,086
4. Step 4: Simplify right side
   101,811.12x = 8,403,508,116.72
5. Step 5: Solve for x
   x = 8,403,508,116.72/101,811.12
6. Step 6: Final answer
   x = 82,540.18