Finding the Fourth Proportional to 14,005.37, 21,007.80 and 3,475.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,005.37 : 21,007.80 = 3,475.42 : x
2. Step 2: Convert to fraction form
   14,005.37/21,007.80 = 3,475.42/x
3. Step 3: Cross multiply
   14,005.37x = 21,007.80 × 3,475.42
4. Step 4: Simplify right side
   14,005.37x = 73,010,875.76
5. Step 5: Solve for x
   x = 73,010,875.76/14,005.37
6. Step 6: Final answer
   x = 5,213.06