Finding the Fourth Proportional to 2,525.32, 3,784.51 and 1,290.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.32 : 3,784.51 = 1,290.14 : x
2. Step 2: Convert to fraction form
   2,525.32/3,784.51 = 1,290.14/x
3. Step 3: Cross multiply
   2,525.32x = 3,784.51 × 1,290.14
4. Step 4: Simplify right side
   2,525.32x = 4,882,547.73
5. Step 5: Solve for x
   x = 4,882,547.73/2,525.32
6. Step 6: Final answer
   x = 1,933.44