Finding the Fourth Proportional to 1,480.72, 2,219.22 and 700.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.72 : 2,219.22 = 700.72 : x
2. Step 2: Convert to fraction form
   1,480.72/2,219.22 = 700.72/x
3. Step 3: Cross multiply
   1,480.72x = 2,219.22 × 700.72
4. Step 4: Simplify right side
   1,480.72x = 1,555,051.84
5. Step 5: Solve for x
   x = 1,555,051.84/1,480.72
6. Step 6: Final answer
   x = 1,050.20