Finding the Fourth Proportional to 2,521.04, 3,778.76 and 1,902.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.04 : 3,778.76 = 1,902.74 : x
2. Step 2: Convert to fraction form
   2,521.04/3,778.76 = 1,902.74/x
3. Step 3: Cross multiply
   2,521.04x = 3,778.76 × 1,902.74
4. Step 4: Simplify right side
   2,521.04x = 7,189,997.80
5. Step 5: Solve for x
   x = 7,189,997.80/2,521.04
6. Step 6: Final answer
   x = 2,852.00