Finding the Fourth Proportional to 3,061.50, 4,589.08 and 1,211.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.50 : 4,589.08 = 1,211.86 : x
2. Step 2: Convert to fraction form
   3,061.50/4,589.08 = 1,211.86/x
3. Step 3: Cross multiply
   3,061.50x = 4,589.08 × 1,211.86
4. Step 4: Simplify right side
   3,061.50x = 5,561,322.49
5. Step 5: Solve for x
   x = 5,561,322.49/3,061.50
6. Step 6: Final answer
   x = 1,816.54