Finding the Fourth Proportional to 22,493.61, 31,045.91 and 13,061.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,493.61 : 31,045.91 = 13,061.61 : x
2. Step 2: Convert to fraction form
   22,493.61/31,045.91 = 13,061.61/x
3. Step 3: Cross multiply
   22,493.61x = 31,045.91 × 13,061.61
4. Step 4: Simplify right side
   22,493.61x = 405,509,503.21
5. Step 5: Solve for x
   x = 405,509,503.21/22,493.61
6. Step 6: Final answer
   x = 18,027.76