Finding the Fourth Proportional to 14,428.70, 21,640.31 and 5,066.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,428.70 : 21,640.31 = 5,066.52 : x
2. Step 2: Convert to fraction form
   14,428.70/21,640.31 = 5,066.52/x
3. Step 3: Cross multiply
   14,428.70x = 21,640.31 × 5,066.52
4. Step 4: Simplify right side
   14,428.70x = 109,641,063.42
5. Step 5: Solve for x
   x = 109,641,063.42/14,428.70
6. Step 6: Final answer
   x = 7,598.82