Finding the Fourth Proportional to 21,760.50, 30,030.71 and 12,332.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,760.50 : 30,030.71 = 12,332.10 : x
2. Step 2: Convert to fraction form
   21,760.50/30,030.71 = 12,332.10/x
3. Step 3: Cross multiply
   21,760.50x = 30,030.71 × 12,332.10
4. Step 4: Simplify right side
   21,760.50x = 370,341,657.13
5. Step 5: Solve for x
   x = 370,341,657.13/21,760.50
6. Step 6: Final answer
   x = 17,018.99