Finding the Fourth Proportional to 1,617.82, 2,428.18 and 848.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617.82 : 2,428.18 = 848.86 : x
2. Step 2: Convert to fraction form
   1,617.82/2,428.18 = 848.86/x
3. Step 3: Cross multiply
   1,617.82x = 2,428.18 × 848.86
4. Step 4: Simplify right side
   1,617.82x = 2,061,184.87
5. Step 5: Solve for x
   x = 2,061,184.87/1,617.82
6. Step 6: Final answer
   x = 1,274.05