Finding the Fourth Proportional to 8,147.61, 12,224.15 and 2,601.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,147.61 : 12,224.15 = 2,601.74 : x
2. Step 2: Convert to fraction form
   8,147.61/12,224.15 = 2,601.74/x
3. Step 3: Cross multiply
   8,147.61x = 12,224.15 × 2,601.74
4. Step 4: Simplify right side
   8,147.61x = 31,804,060.02
5. Step 5: Solve for x
   x = 31,804,060.02/8,147.61
6. Step 6: Final answer
   x = 3,903.48