Finding the Fourth Proportional to 2,422.06, 3,343.80 and 1,583.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.06 : 3,343.80 = 1,583.61 : x
2. Step 2: Convert to fraction form
   2,422.06/3,343.80 = 1,583.61/x
3. Step 3: Cross multiply
   2,422.06x = 3,343.80 × 1,583.61
4. Step 4: Simplify right side
   2,422.06x = 5,295,280.89
5. Step 5: Solve for x
   x = 5,295,280.89/2,422.06
6. Step 6: Final answer
   x = 2,186.27