Finding the Fourth Proportional to 10,855.72, 14,980.92 and 5,887.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,855.72 : 14,980.92 = 5,887.72 : x
2. Step 2: Convert to fraction form
   10,855.72/14,980.92 = 5,887.72/x
3. Step 3: Cross multiply
   10,855.72x = 14,980.92 × 5,887.72
4. Step 4: Simplify right side
   10,855.72x = 88,203,462.30
5. Step 5: Solve for x
   x = 88,203,462.30/10,855.72
6. Step 6: Final answer
   x = 8,125.07