Finding the Fourth Proportional to 7,755.96, 10,695.06 and 5,515.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,755.96 : 10,695.06 = 5,515.50 : x
2. Step 2: Convert to fraction form
   7,755.96/10,695.06 = 5,515.50/x
3. Step 3: Cross multiply
   7,755.96x = 10,695.06 × 5,515.50
4. Step 4: Simplify right side
   7,755.96x = 58,988,603.43
5. Step 5: Solve for x
   x = 58,988,603.43/7,755.96
6. Step 6: Final answer
   x = 7,605.58