Finding the Fourth Proportional to 2,520.23, 3,773.42 and 1,902.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.23 : 3,773.42 = 1,902.06 : x
2. Step 2: Convert to fraction form
   2,520.23/3,773.42 = 1,902.06/x
3. Step 3: Cross multiply
   2,520.23x = 3,773.42 × 1,902.06
4. Step 4: Simplify right side
   2,520.23x = 7,177,271.25
5. Step 5: Solve for x
   x = 7,177,271.25/2,520.23
6. Step 6: Final answer
   x = 2,847.86