Finding the Fourth Proportional to 10,617.30, 15,917.31 and 4,373.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,617.30 : 15,917.31 = 4,373.82 : x
2. Step 2: Convert to fraction form
   10,617.30/15,917.31 = 4,373.82/x
3. Step 3: Cross multiply
   10,617.30x = 15,917.31 × 4,373.82
4. Step 4: Simplify right side
   10,617.30x = 69,619,448.82
5. Step 5: Solve for x
   x = 69,619,448.82/10,617.30
6. Step 6: Final answer
   x = 6,557.17