Finding the Fourth Proportional to 14,153.56, 21,208.18 and 8,948.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,153.56 : 21,208.18 = 8,948.52 : x
2. Step 2: Convert to fraction form
   14,153.56/21,208.18 = 8,948.52/x
3. Step 3: Cross multiply
   14,153.56x = 21,208.18 × 8,948.52
4. Step 4: Simplify right side
   14,153.56x = 189,781,822.89
5. Step 5: Solve for x
   x = 189,781,822.89/14,153.56
6. Step 6: Final answer
   x = 13,408.77