Finding the Fourth Proportional to 1,709.39, 2,552.43 and 1,499.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709.39 : 2,552.43 = 1,499.60 : x
2. Step 2: Convert to fraction form
   1,709.39/2,552.43 = 1,499.60/x
3. Step 3: Cross multiply
   1,709.39x = 2,552.43 × 1,499.60
4. Step 4: Simplify right side
   1,709.39x = 3,827,611.27
5. Step 5: Solve for x
   x = 3,827,611.27/1,709.39
6. Step 6: Final answer
   x = 2,239.17