Finding the Fourth Proportional to 1,855.31, 2,784.05 and 701.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.31 : 2,784.05 = 701.15 : x
2. Step 2: Convert to fraction form
   1,855.31/2,784.05 = 701.15/x
3. Step 3: Cross multiply
   1,855.31x = 2,784.05 × 701.15
4. Step 4: Simplify right side
   1,855.31x = 1,952,033.15
5. Step 5: Solve for x
   x = 1,952,033.15/1,855.31
6. Step 6: Final answer
   x = 1,052.13