Finding the Fourth Proportional to 1,892.86, 2,835.78 and 1,307.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.86 : 2,835.78 = 1,307.18 : x
2. Step 2: Convert to fraction form
   1,892.86/2,835.78 = 1,307.18/x
3. Step 3: Cross multiply
   1,892.86x = 2,835.78 × 1,307.18
4. Step 4: Simplify right side
   1,892.86x = 3,706,874.90
5. Step 5: Solve for x
   x = 3,706,874.90/1,892.86
6. Step 6: Final answer
   x = 1,958.35