Finding the Fourth Proportional to 1,323.50, 1,985.82 and 707.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.50 : 1,985.82 = 707.03 : x
2. Step 2: Convert to fraction form
   1,323.50/1,985.82 = 707.03/x
3. Step 3: Cross multiply
   1,323.50x = 1,985.82 × 707.03
4. Step 4: Simplify right side
   1,323.50x = 1,404,034.31
5. Step 5: Solve for x
   x = 1,404,034.31/1,323.50
6. Step 6: Final answer
   x = 1,060.85