Finding the Fourth Proportional to 22,499.06, 31,048.08 and 12,427.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,499.06 : 31,048.08 = 12,427.34 : x
2. Step 2: Convert to fraction form
   22,499.06/31,048.08 = 12,427.34/x
3. Step 3: Cross multiply
   22,499.06x = 31,048.08 × 12,427.34
4. Step 4: Simplify right side
   22,499.06x = 385,845,046.51
5. Step 5: Solve for x
   x = 385,845,046.51/22,499.06
6. Step 6: Final answer
   x = 17,149.39