Finding the Fourth Proportional to 2,521.04, 3,778.80 and 1,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.04 : 3,778.80 = 1,061.12 : x
2. Step 2: Convert to fraction form
   2,521.04/3,778.80 = 1,061.12/x
3. Step 3: Cross multiply
   2,521.04x = 3,778.80 × 1,061.12
4. Step 4: Simplify right side
   2,521.04x = 4,009,760.26
5. Step 5: Solve for x
   x = 4,009,760.26/2,521.04
6. Step 6: Final answer
   x = 1,590.52