Finding the Fourth Proportional to 22,669.67, 31,284.43 and 12,598.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,669.67 : 31,284.43 = 12,598.74 : x
2. Step 2: Convert to fraction form
   22,669.67/31,284.43 = 12,598.74/x
3. Step 3: Cross multiply
   22,669.67x = 31,284.43 × 12,598.74
4. Step 4: Simplify right side
   22,669.67x = 394,144,368.12
5. Step 5: Solve for x
   x = 394,144,368.12/22,669.67
6. Step 6: Final answer
   x = 17,386.42