Finding the Fourth Proportional to 5,065.57, 7,561.34 and 4,699.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,065.57 : 7,561.34 = 4,699.70 : x
2. Step 2: Convert to fraction form
   5,065.57/7,561.34 = 4,699.70/x
3. Step 3: Cross multiply
   5,065.57x = 7,561.34 × 4,699.70
4. Step 4: Simplify right side
   5,065.57x = 35,536,014.27
5. Step 5: Solve for x
   x = 35,536,014.27/5,065.57
6. Step 6: Final answer
   x = 7,015.20