Finding the Fourth Proportional to 9,275.31, 12,796.23 and 5,917.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,275.31 : 12,796.23 = 5,917.05 : x
2. Step 2: Convert to fraction form
   9,275.31/12,796.23 = 5,917.05/x
3. Step 3: Cross multiply
   9,275.31x = 12,796.23 × 5,917.05
4. Step 4: Simplify right side
   9,275.31x = 75,715,921.63
5. Step 5: Solve for x
   x = 75,715,921.63/9,275.31
6. Step 6: Final answer
   x = 8,163.17