Finding the Fourth Proportional to 9,146.84, 12,622.88 and 5,167.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.84 : 12,622.88 = 5,167.86 : x
2. Step 2: Convert to fraction form
   9,146.84/12,622.88 = 5,167.86/x
3. Step 3: Cross multiply
   9,146.84x = 12,622.88 × 5,167.86
4. Step 4: Simplify right side
   9,146.84x = 65,233,276.64
5. Step 5: Solve for x
   x = 65,233,276.64/9,146.84
6. Step 6: Final answer
   x = 7,131.79