Finding the Fourth Proportional to 10,078.86, 13,908.56 and 5,887.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.86 : 13,908.56 = 5,887.10 : x
2. Step 2: Convert to fraction form
   10,078.86/13,908.56 = 5,887.10/x
3. Step 3: Cross multiply
   10,078.86x = 13,908.56 × 5,887.10
4. Step 4: Simplify right side
   10,078.86x = 81,881,083.58
5. Step 5: Solve for x
   x = 81,881,083.58/10,078.86
6. Step 6: Final answer
   x = 8,124.04