Finding the Fourth Proportional to 10,587.78, 14,609.58 and 5,872.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,587.78 : 14,609.58 = 5,872.10 : x
2. Step 2: Convert to fraction form
   10,587.78/14,609.58 = 5,872.10/x
3. Step 3: Cross multiply
   10,587.78x = 14,609.58 × 5,872.10
4. Step 4: Simplify right side
   10,587.78x = 85,788,914.72
5. Step 5: Solve for x
   x = 85,788,914.72/10,587.78
6. Step 6: Final answer
   x = 8,102.63