Finding the Fourth Proportional to 14,108.78, 21,164.24 and 4,748.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,108.78 : 21,164.24 = 4,748.83 : x
2. Step 2: Convert to fraction form
   14,108.78/21,164.24 = 4,748.83/x
3. Step 3: Cross multiply
   14,108.78x = 21,164.24 × 4,748.83
4. Step 4: Simplify right side
   14,108.78x = 100,505,310.09
5. Step 5: Solve for x
   x = 100,505,310.09/14,108.78
6. Step 6: Final answer
   x = 7,123.60