Finding the Fourth Proportional to 14,012.78, 21,025.37 and 7,347.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,012.78 : 21,025.37 = 7,347.69 : x
2. Step 2: Convert to fraction form
   14,012.78/21,025.37 = 7,347.69/x
3. Step 3: Cross multiply
   14,012.78x = 21,025.37 × 7,347.69
4. Step 4: Simplify right side
   14,012.78x = 154,487,759.03
5. Step 5: Solve for x
   x = 154,487,759.03/14,012.78
6. Step 6: Final answer
   x = 11,024.78