Finding the Fourth Proportional to 1,802.72, 2,704.43 and 707.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.72 : 2,704.43 = 707.01 : x
2. Step 2: Convert to fraction form
   1,802.72/2,704.43 = 707.01/x
3. Step 3: Cross multiply
   1,802.72x = 2,704.43 × 707.01
4. Step 4: Simplify right side
   1,802.72x = 1,912,055.52
5. Step 5: Solve for x
   x = 1,912,055.52/1,802.72
6. Step 6: Final answer
   x = 1,060.65