Finding the Fourth Proportional to 2,117.06, 3,173.69 and 1,076.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.06 : 3,173.69 = 1,076.48 : x
2. Step 2: Convert to fraction form
   2,117.06/3,173.69 = 1,076.48/x
3. Step 3: Cross multiply
   2,117.06x = 3,173.69 × 1,076.48
4. Step 4: Simplify right side
   2,117.06x = 3,416,400.63
5. Step 5: Solve for x
   x = 3,416,400.63/2,117.06
6. Step 6: Final answer
   x = 1,613.75