Finding the Fourth Proportional to 14,499.42, 21,747.66 and 3,970.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499.42 : 21,747.66 = 3,970.38 : x
2. Step 2: Convert to fraction form
   14,499.42/21,747.66 = 3,970.38/x
3. Step 3: Cross multiply
   14,499.42x = 21,747.66 × 3,970.38
4. Step 4: Simplify right side
   14,499.42x = 86,346,474.31
5. Step 5: Solve for x
   x = 86,346,474.31/14,499.42
6. Step 6: Final answer
   x = 5,955.17