Finding the Fourth Proportional to 10,855.50, 14,980.62 and 5,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,855.50 : 14,980.62 = 5,887.50 : x
2. Step 2: Convert to fraction form
   10,855.50/14,980.62 = 5,887.50/x
3. Step 3: Cross multiply
   10,855.50x = 14,980.62 × 5,887.50
4. Step 4: Simplify right side
   10,855.50x = 88,198,400.25
5. Step 5: Solve for x
   x = 88,198,400.25/10,855.50
6. Step 6: Final answer
   x = 8,124.77