Finding the Fourth Proportional to 9,167.86, 12,650.54 and 5,134.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,167.86 : 12,650.54 = 5,134.89 : x
2. Step 2: Convert to fraction form
   9,167.86/12,650.54 = 5,134.89/x
3. Step 3: Cross multiply
   9,167.86x = 12,650.54 × 5,134.89
4. Step 4: Simplify right side
   9,167.86x = 64,959,189.21
5. Step 5: Solve for x
   x = 64,959,189.21/9,167.86
6. Step 6: Final answer
   x = 7,085.54