Finding the Fourth Proportional to 503,498.48, 755,262.86 and 124,419.18

Step by Step Solution

1. Step 1: Write the proportion equation
   503,498.48 : 755,262.86 = 124,419.18 : x
2. Step 2: Convert to fraction form
   503,498.48/755,262.86 = 124,419.18/x
3. Step 3: Cross multiply
   503,498.48x = 755,262.86 × 124,419.18
4. Step 4: Simplify right side
   503,498.48x = 93,969,185,103.56
5. Step 5: Solve for x
   x = 93,969,185,103.56/503,498.48
6. Step 6: Final answer
   x = 186,632.51