Finding the Fourth Proportional to 230,494, 318,081.72 and 124,510

Step by Step Solution

1. Step 1: Write the proportion equation
   230,494 : 318,081.72 = 124,510 : x
2. Step 2: Convert to fraction form
   230,494/318,081.72 = 124,510/x
3. Step 3: Cross multiply
   230,494x = 318,081.72 × 124,510
4. Step 4: Simplify right side
   230,494x = 39,604,354,957.20
5. Step 5: Solve for x
   x = 39,604,354,957.20/230,494
6. Step 6: Final answer
   x = 171,823.80