Finding the Fourth Proportional to 3,902.50, 5,854.56 and 1,233.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902.50 : 5,854.56 = 1,233.91 : x
2. Step 2: Convert to fraction form
   3,902.50/5,854.56 = 1,233.91/x
3. Step 3: Cross multiply
   3,902.50x = 5,854.56 × 1,233.91
4. Step 4: Simplify right side
   3,902.50x = 7,224,000.13
5. Step 5: Solve for x
   x = 7,224,000.13/3,902.50
6. Step 6: Final answer
   x = 1,851.12