Finding the Fourth Proportional to 2,322.42, 3,485.70 and 1,664.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322.42 : 3,485.70 = 1,664.88 : x
2. Step 2: Convert to fraction form
   2,322.42/3,485.70 = 1,664.88/x
3. Step 3: Cross multiply
   2,322.42x = 3,485.70 × 1,664.88
4. Step 4: Simplify right side
   2,322.42x = 5,803,272.22
5. Step 5: Solve for x
   x = 5,803,272.22/2,322.42
6. Step 6: Final answer
   x = 2,498.80