Finding the Fourth Proportional to 7,887.72, 10,885.77 and 5,501.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,887.72 : 10,885.77 = 5,501.16 : x
2. Step 2: Convert to fraction form
   7,887.72/10,885.77 = 5,501.16/x
3. Step 3: Cross multiply
   7,887.72x = 10,885.77 × 5,501.16
4. Step 4: Simplify right side
   7,887.72x = 59,884,280.56
5. Step 5: Solve for x
   x = 59,884,280.56/7,887.72
6. Step 6: Final answer
   x = 7,592.09