Finding the Fourth Proportional to 2,523.39, 3,779.61 and 1,222.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.39 : 3,779.61 = 1,222.13 : x
2. Step 2: Convert to fraction form
   2,523.39/3,779.61 = 1,222.13/x
3. Step 3: Cross multiply
   2,523.39x = 3,779.61 × 1,222.13
4. Step 4: Simplify right side
   2,523.39x = 4,619,149.76
5. Step 5: Solve for x
   x = 4,619,149.76/2,523.39
6. Step 6: Final answer
   x = 1,830.54