Finding the Fourth Proportional to 14,298.89, 21,448.47 and 3,770.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,298.89 : 21,448.47 = 3,770.42 : x
2. Step 2: Convert to fraction form
   14,298.89/21,448.47 = 3,770.42/x
3. Step 3: Cross multiply
   14,298.89x = 21,448.47 × 3,770.42
4. Step 4: Simplify right side
   14,298.89x = 80,869,633.02
5. Step 5: Solve for x
   x = 80,869,633.02/14,298.89
6. Step 6: Final answer
   x = 5,655.66