Finding the Fourth Proportional to 12,363.50, 17,061.64 and 6,774.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,363.50 : 17,061.64 = 6,774.50 : x
2. Step 2: Convert to fraction form
   12,363.50/17,061.64 = 6,774.50/x
3. Step 3: Cross multiply
   12,363.50x = 17,061.64 × 6,774.50
4. Step 4: Simplify right side
   12,363.50x = 115,584,080.18
5. Step 5: Solve for x
   x = 115,584,080.18/12,363.50
6. Step 6: Final answer
   x = 9,348.82