Finding the Fourth Proportional to 1,870.80, 2,806.25 and 700.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.80 : 2,806.25 = 700.82 : x
2. Step 2: Convert to fraction form
   1,870.80/2,806.25 = 700.82/x
3. Step 3: Cross multiply
   1,870.80x = 2,806.25 × 700.82
4. Step 4: Simplify right side
   1,870.80x = 1,966,669.11
5. Step 5: Solve for x
   x = 1,966,669.11/1,870.80
6. Step 6: Final answer
   x = 1,051.25