Finding the Fourth Proportional to 14,298.76, 21,443.10 and 5,974.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,298.76 : 21,443.10 = 5,974.42 : x
2. Step 2: Convert to fraction form
   14,298.76/21,443.10 = 5,974.42/x
3. Step 3: Cross multiply
   14,298.76x = 21,443.10 × 5,974.42
4. Step 4: Simplify right side
   14,298.76x = 128,110,085.50
5. Step 5: Solve for x
   x = 128,110,085.50/14,298.76
6. Step 6: Final answer
   x = 8,959.52