Finding the Fourth Proportional to 1,860.93, 2,566.83 and 1,557.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.93 : 2,566.83 = 1,557.27 : x
2. Step 2: Convert to fraction form
   1,860.93/2,566.83 = 1,557.27/x
3. Step 3: Cross multiply
   1,860.93x = 2,566.83 × 1,557.27
4. Step 4: Simplify right side
   1,860.93x = 3,997,247.35
5. Step 5: Solve for x
   x = 3,997,247.35/1,860.93
6. Step 6: Final answer
   x = 2,147.98