Finding the Fourth Proportional to 3,657.61, 5,047.67 and 2,064.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,657.61 : 5,047.67 = 2,064.89 : x
2. Step 2: Convert to fraction form
   3,657.61/5,047.67 = 2,064.89/x
3. Step 3: Cross multiply
   3,657.61x = 5,047.67 × 2,064.89
4. Step 4: Simplify right side
   3,657.61x = 10,422,889.47
5. Step 5: Solve for x
   x = 10,422,889.47/3,657.61
6. Step 6: Final answer
   x = 2,849.65