Finding the Fourth Proportional to 3,061.89, 4,225.43 and 1,803

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.89 : 4,225.43 = 1,803 : x
2. Step 2: Convert to fraction form
   3,061.89/4,225.43 = 1,803/x
3. Step 3: Cross multiply
   3,061.89x = 4,225.43 × 1,803
4. Step 4: Simplify right side
   3,061.89x = 7,618,441.28
5. Step 5: Solve for x
   x = 7,618,441.28/3,061.89
6. Step 6: Final answer
   x = 2,488.15