Finding the Fourth Proportional to 14,111.02, 21,149.55 and 5,219.26

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.02 : 21,149.55 = 5,219.26 : x
2. Step 2: Convert to fraction form
   14,111.02/21,149.55 = 5,219.26/x
3. Step 3: Cross multiply
   14,111.02x = 21,149.55 × 5,219.26
4. Step 4: Simplify right side
   14,111.02x = 110,385,000.33
5. Step 5: Solve for x
   x = 110,385,000.33/14,111.02
6. Step 6: Final answer
   x = 7,822.61