Finding the Fourth Proportional to 14,051.10, 21,060.42 and 5,280.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,051.10 : 21,060.42 = 5,280.42 : x
2. Step 2: Convert to fraction form
   14,051.10/21,060.42 = 5,280.42/x
3. Step 3: Cross multiply
   14,051.10x = 21,060.42 × 5,280.42
4. Step 4: Simplify right side
   14,051.10x = 111,207,862.98
5. Step 5: Solve for x
   x = 111,207,862.98/14,051.10
6. Step 6: Final answer
   x = 7,914.53