Finding the Fourth Proportional to 14,019.10, 21,036.51 and 7,445.11

Step by Step Solution

1. Step 1: Write the proportion equation
   14,019.10 : 21,036.51 = 7,445.11 : x
2. Step 2: Convert to fraction form
   14,019.10/21,036.51 = 7,445.11/x
3. Step 3: Cross multiply
   14,019.10x = 21,036.51 × 7,445.11
4. Step 4: Simplify right side
   14,019.10x = 156,619,134.25
5. Step 5: Solve for x
   x = 156,619,134.25/14,019.10
6. Step 6: Final answer
   x = 11,171.84