Finding the Fourth Proportional to 10,066.40, 13,893.36 and 5,876.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.40 : 13,893.36 = 5,876.72 : x
2. Step 2: Convert to fraction form
   10,066.40/13,893.36 = 5,876.72/x
3. Step 3: Cross multiply
   10,066.40x = 13,893.36 × 5,876.72
4. Step 4: Simplify right side
   10,066.40x = 81,647,386.58
5. Step 5: Solve for x
   x = 81,647,386.58/10,066.40
6. Step 6: Final answer
   x = 8,110.88