Finding the Fourth Proportional to 7,505.16, 10,356.71 and 4,147.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,505.16 : 10,356.71 = 4,147.77 : x
2. Step 2: Convert to fraction form
   7,505.16/10,356.71 = 4,147.77/x
3. Step 3: Cross multiply
   7,505.16x = 10,356.71 × 4,147.77
4. Step 4: Simplify right side
   7,505.16x = 42,957,268.42
5. Step 5: Solve for x
   x = 42,957,268.42/7,505.16
6. Step 6: Final answer
   x = 5,723.70