Finding the Fourth Proportional to 1,659.16, 2,486.23 and 1,196.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.16 : 2,486.23 = 1,196.47 : x
2. Step 2: Convert to fraction form
   1,659.16/2,486.23 = 1,196.47/x
3. Step 3: Cross multiply
   1,659.16x = 2,486.23 × 1,196.47
4. Step 4: Simplify right side
   1,659.16x = 2,974,704.77
5. Step 5: Solve for x
   x = 2,974,704.77/1,659.16
6. Step 6: Final answer
   x = 1,792.90