Finding the Fourth Proportional to 124,191.45, 186,182.69 and 54,017.91

Step by Step Solution

1. Step 1: Write the proportion equation
   124,191.45 : 186,182.69 = 54,017.91 : x
2. Step 2: Convert to fraction form
   124,191.45/186,182.69 = 54,017.91/x
3. Step 3: Cross multiply
   124,191.45x = 186,182.69 × 54,017.91
4. Step 4: Simplify right side
   124,191.45x = 10,057,199,521.89
5. Step 5: Solve for x
   x = 10,057,199,521.89/124,191.45
6. Step 6: Final answer
   x = 80,981.42