Finding the Fourth Proportional to 9,166.42, 12,650.01 and 5,078.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,166.42 : 12,650.01 = 5,078.31 : x
2. Step 2: Convert to fraction form
   9,166.42/12,650.01 = 5,078.31/x
3. Step 3: Cross multiply
   9,166.42x = 12,650.01 × 5,078.31
4. Step 4: Simplify right side
   9,166.42x = 64,240,672.28
5. Step 5: Solve for x
   x = 64,240,672.28/9,166.42
6. Step 6: Final answer
   x = 7,008.26