Finding the Fourth Proportional to 12,051.72, 18,083.34 and 4,264.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,051.72 : 18,083.34 = 4,264.20 : x
2. Step 2: Convert to fraction form
   12,051.72/18,083.34 = 4,264.20/x
3. Step 3: Cross multiply
   12,051.72x = 18,083.34 × 4,264.20
4. Step 4: Simplify right side
   12,051.72x = 77,110,978.43
5. Step 5: Solve for x
   x = 77,110,978.43/12,051.72
6. Step 6: Final answer
   x = 6,398.34