Finding the Fourth Proportional to 1,698.40, 2,536.02 and 1,499.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,698.40 : 2,536.02 = 1,499.08 : x
2. Step 2: Convert to fraction form
   1,698.40/2,536.02 = 1,499.08/x
3. Step 3: Cross multiply
   1,698.40x = 2,536.02 × 1,499.08
4. Step 4: Simplify right side
   1,698.40x = 3,801,696.86
5. Step 5: Solve for x
   x = 3,801,696.86/1,698.40
6. Step 6: Final answer
   x = 2,238.40