Finding the Fourth Proportional to 2,870.14, 4,305.82 and 922.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.14 : 4,305.82 = 922.34 : x
2. Step 2: Convert to fraction form
   2,870.14/4,305.82 = 922.34/x
3. Step 3: Cross multiply
   2,870.14x = 4,305.82 × 922.34
4. Step 4: Simplify right side
   2,870.14x = 3,971,430.02
5. Step 5: Solve for x
   x = 3,971,430.02/2,870.14
6. Step 6: Final answer
   x = 1,383.71