Finding the Fourth Proportional to 21,314.67, 29,414.51 and 12,362.55

Step by Step Solution

1. Step 1: Write the proportion equation
   21,314.67 : 29,414.51 = 12,362.55 : x
2. Step 2: Convert to fraction form
   21,314.67/29,414.51 = 12,362.55/x
3. Step 3: Cross multiply
   21,314.67x = 29,414.51 × 12,362.55
4. Step 4: Simplify right side
   21,314.67x = 363,638,350.60
5. Step 5: Solve for x
   x = 363,638,350.60/21,314.67
6. Step 6: Final answer
   x = 17,060.47