Finding the Fourth Proportional to 22,467.13, 31,002.82 and 12,903.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,467.13 : 31,002.82 = 12,903.98 : x
2. Step 2: Convert to fraction form
   22,467.13/31,002.82 = 12,903.98/x
3. Step 3: Cross multiply
   22,467.13x = 31,002.82 × 12,903.98
4. Step 4: Simplify right side
   22,467.13x = 400,059,581.95
5. Step 5: Solve for x
   x = 400,059,581.95/22,467.13
6. Step 6: Final answer
   x = 17,806.44