Finding the Fourth Proportional to 10,887.50, 15,024.76 and 5,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,887.50 : 15,024.76 = 5,919.50 : x
2. Step 2: Convert to fraction form
   10,887.50/15,024.76 = 5,919.50/x
3. Step 3: Cross multiply
   10,887.50x = 15,024.76 × 5,919.50
4. Step 4: Simplify right side
   10,887.50x = 88,939,066.82
5. Step 5: Solve for x
   x = 88,939,066.82/10,887.50
6. Step 6: Final answer
   x = 8,168.92