Finding the Fourth Proportional to 9,167.30, 12,851.50 and 9,167.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,167.30 : 12,851.50 = 9,167.30 : x
2. Step 2: Convert to fraction form
   9,167.30/12,851.50 = 9,167.30/x
3. Step 3: Cross multiply
   9,167.30x = 12,851.50 × 9,167.30
4. Step 4: Simplify right side
   9,167.30x = 117,813,555.95
5. Step 5: Solve for x
   x = 117,813,555.95/9,167.30
6. Step 6: Final answer
   x = 12,851.50