Finding the Fourth Proportional to 1,985.82, 2,737.40 and 1,565.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985.82 : 2,737.40 = 1,565.42 : x
2. Step 2: Convert to fraction form
   1,985.82/2,737.40 = 1,565.42/x
3. Step 3: Cross multiply
   1,985.82x = 2,737.40 × 1,565.42
4. Step 4: Simplify right side
   1,985.82x = 4,285,180.71
5. Step 5: Solve for x
   x = 4,285,180.71/1,985.82
6. Step 6: Final answer
   x = 2,157.89