Finding the Fourth Proportional to 22,495.47, 31,043.98 and 12,424.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,495.47 : 31,043.98 = 12,424.16 : x
2. Step 2: Convert to fraction form
   22,495.47/31,043.98 = 12,424.16/x
3. Step 3: Cross multiply
   22,495.47x = 31,043.98 × 12,424.16
4. Step 4: Simplify right side
   22,495.47x = 385,695,374.56
5. Step 5: Solve for x
   x = 385,695,374.56/22,495.47
6. Step 6: Final answer
   x = 17,145.47