Finding the Fourth Proportional to 22,479.02, 31,014.18 and 13,045.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,479.02 : 31,014.18 = 13,045.76 : x
2. Step 2: Convert to fraction form
   22,479.02/31,014.18 = 13,045.76/x
3. Step 3: Cross multiply
   22,479.02x = 31,014.18 × 13,045.76
4. Step 4: Simplify right side
   22,479.02x = 404,603,548.88
5. Step 5: Solve for x
   x = 404,603,548.88/22,479.02
6. Step 6: Final answer
   x = 17,999.16