Finding the Fourth Proportional to 10,608.15, 15,917.69 and 4,372.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,608.15 : 15,917.69 = 4,372.77 : x
2. Step 2: Convert to fraction form
   10,608.15/15,917.69 = 4,372.77/x
3. Step 3: Cross multiply
   10,608.15x = 15,917.69 × 4,372.77
4. Step 4: Simplify right side
   10,608.15x = 69,604,397.30
5. Step 5: Solve for x
   x = 69,604,397.30/10,608.15
6. Step 6: Final answer
   x = 6,561.41