Finding the Fourth Proportional to 14,080.40, 21,123.30 and 4,219.46

Step by Step Solution

1. Step 1: Write the proportion equation
   14,080.40 : 21,123.30 = 4,219.46 : x
2. Step 2: Convert to fraction form
   14,080.40/21,123.30 = 4,219.46/x
3. Step 3: Cross multiply
   14,080.40x = 21,123.30 × 4,219.46
4. Step 4: Simplify right side
   14,080.40x = 89,128,919.42
5. Step 5: Solve for x
   x = 89,128,919.42/14,080.40
6. Step 6: Final answer
   x = 6,330.00