Finding the Fourth Proportional to 2,185.61, 3,277.80 and 1,567.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.61 : 3,277.80 = 1,567.47 : x
2. Step 2: Convert to fraction form
   2,185.61/3,277.80 = 1,567.47/x
3. Step 3: Cross multiply
   2,185.61x = 3,277.80 × 1,567.47
4. Step 4: Simplify right side
   2,185.61x = 5,137,865.46
5. Step 5: Solve for x
   x = 5,137,865.46/2,185.61
6. Step 6: Final answer
   x = 2,350.77