Finding the Fourth Proportional to 124,510.76, 186,882.78 and 57,996.80

Step by Step Solution

1. Step 1: Write the proportion equation
   124,510.76 : 186,882.78 = 57,996.80 : x
2. Step 2: Convert to fraction form
   124,510.76/186,882.78 = 57,996.80/x
3. Step 3: Cross multiply
   124,510.76x = 186,882.78 × 57,996.80
4. Step 4: Simplify right side
   124,510.76x = 10,838,603,215.10
5. Step 5: Solve for x
   x = 10,838,603,215.10/124,510.76
6. Step 6: Final answer
   x = 87,049.53