Finding the Fourth Proportional to 1,870.32, 2,805.21 and 700.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.32 : 2,805.21 = 700.16 : x
2. Step 2: Convert to fraction form
   1,870.32/2,805.21 = 700.16/x
3. Step 3: Cross multiply
   1,870.32x = 2,805.21 × 700.16
4. Step 4: Simplify right side
   1,870.32x = 1,964,097.59
5. Step 5: Solve for x
   x = 1,964,097.59/1,870.32
6. Step 6: Final answer
   x = 1,050.14