Finding the Fourth Proportional to 14,123.37, 21,190.64 and 5,360.61

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.37 : 21,190.64 = 5,360.61 : x
2. Step 2: Convert to fraction form
   14,123.37/21,190.64 = 5,360.61/x
3. Step 3: Cross multiply
   14,123.37x = 21,190.64 × 5,360.61
4. Step 4: Simplify right side
   14,123.37x = 113,594,729.89
5. Step 5: Solve for x
   x = 113,594,729.89/14,123.37
6. Step 6: Final answer
   x = 8,043.03