Finding the Fourth Proportional to 14,270.94, 21,398.72 and 4,407.57

Step by Step Solution

1. Step 1: Write the proportion equation
   14,270.94 : 21,398.72 = 4,407.57 : x
2. Step 2: Convert to fraction form
   14,270.94/21,398.72 = 4,407.57/x
3. Step 3: Cross multiply
   14,270.94x = 21,398.72 × 4,407.57
4. Step 4: Simplify right side
   14,270.94x = 94,316,334.27
5. Step 5: Solve for x
   x = 94,316,334.27/14,270.94
6. Step 6: Final answer
   x = 6,608.98