Finding the Fourth Proportional to 10,026.73, 13,830.83 and 6,440.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,026.73 : 13,830.83 = 6,440.48 : x
2. Step 2: Convert to fraction form
   10,026.73/13,830.83 = 6,440.48/x
3. Step 3: Cross multiply
   10,026.73x = 13,830.83 × 6,440.48
4. Step 4: Simplify right side
   10,026.73x = 89,077,149.42
5. Step 5: Solve for x
   x = 89,077,149.42/10,026.73
6. Step 6: Final answer
   x = 8,883.97