Finding the Fourth Proportional to 3,981.93, 5,494.31 and 2,565.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.93 : 5,494.31 = 2,565.32 : x
2. Step 2: Convert to fraction form
   3,981.93/5,494.31 = 2,565.32/x
3. Step 3: Cross multiply
   3,981.93x = 5,494.31 × 2,565.32
4. Step 4: Simplify right side
   3,981.93x = 14,094,656.34
5. Step 5: Solve for x
   x = 14,094,656.34/3,981.93
6. Step 6: Final answer
   x = 3,539.65