Finding the Fourth Proportional to 2,084.01, 3,124.80 and 1,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.01 : 3,124.80 = 1,216.50 : x
2. Step 2: Convert to fraction form
   2,084.01/3,124.80 = 1,216.50/x
3. Step 3: Cross multiply
   2,084.01x = 3,124.80 × 1,216.50
4. Step 4: Simplify right side
   2,084.01x = 3,801,319.20
5. Step 5: Solve for x
   x = 3,801,319.20/2,084.01
6. Step 6: Final answer
   x = 1,824.04