Finding the Fourth Proportional to 8,637.50, 12,934.37 and 5,340.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,637.50 : 12,934.37 = 5,340.59 : x
2. Step 2: Convert to fraction form
   8,637.50/12,934.37 = 5,340.59/x
3. Step 3: Cross multiply
   8,637.50x = 12,934.37 × 5,340.59
4. Step 4: Simplify right side
   8,637.50x = 69,077,140.38
5. Step 5: Solve for x
   x = 69,077,140.38/8,637.50
6. Step 6: Final answer
   x = 7,997.36