Finding the Fourth Proportional to 76,185.72, 114,308.58 and 55,152.18

Step by Step Solution

1. Step 1: Write the proportion equation
   76,185.72 : 114,308.58 = 55,152.18 : x
2. Step 2: Convert to fraction form
   76,185.72/114,308.58 = 55,152.18/x
3. Step 3: Cross multiply
   76,185.72x = 114,308.58 × 55,152.18
4. Step 4: Simplify right side
   76,185.72x = 6,304,367,379.70
5. Step 5: Solve for x
   x = 6,304,367,379.70/76,185.72
6. Step 6: Final answer
   x = 82,749.99