Finding the Fourth Proportional to 12,224.53, 16,870.86 and 7,746.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,224.53 : 16,870.86 = 7,746.65 : x
2. Step 2: Convert to fraction form
   12,224.53/16,870.86 = 7,746.65/x
3. Step 3: Cross multiply
   12,224.53x = 16,870.86 × 7,746.65
4. Step 4: Simplify right side
   12,224.53x = 130,692,524.53
5. Step 5: Solve for x
   x = 130,692,524.53/12,224.53
6. Step 6: Final answer
   x = 10,691.01