Finding the Fourth Proportional to 12,048.12, 17,990.17 and 10,630.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,048.12 : 17,990.17 = 10,630.73 : x
2. Step 2: Convert to fraction form
   12,048.12/17,990.17 = 10,630.73/x
3. Step 3: Cross multiply
   12,048.12x = 17,990.17 × 10,630.73
4. Step 4: Simplify right side
   12,048.12x = 191,248,549.97
5. Step 5: Solve for x
   x = 191,248,549.97/12,048.12
6. Step 6: Final answer
   x = 15,873.73