Finding the Fourth Proportional to 22,473.16, 31,014.72 and 12,403.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,473.16 : 31,014.72 = 12,403.60 : x
2. Step 2: Convert to fraction form
   22,473.16/31,014.72 = 12,403.60/x
3. Step 3: Cross multiply
   22,473.16x = 31,014.72 × 12,403.60
4. Step 4: Simplify right side
   22,473.16x = 384,694,180.99
5. Step 5: Solve for x
   x = 384,694,180.99/22,473.16
6. Step 6: Final answer
   x = 17,117.94