Finding the Fourth Proportional to 1,865.01, 2,573.28 and 1,567.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.01 : 2,573.28 = 1,567.39 : x
2. Step 2: Convert to fraction form
   1,865.01/2,573.28 = 1,567.39/x
3. Step 3: Cross multiply
   1,865.01x = 2,573.28 × 1,567.39
4. Step 4: Simplify right side
   1,865.01x = 4,033,333.34
5. Step 5: Solve for x
   x = 4,033,333.34/1,865.01
6. Step 6: Final answer
   x = 2,162.63