Finding the Fourth Proportional to 1,445.65, 1,995.00 and 782.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.65 : 1,995.00 = 782.52 : x
2. Step 2: Convert to fraction form
   1,445.65/1,995.00 = 782.52/x
3. Step 3: Cross multiply
   1,445.65x = 1,995.00 × 782.52
4. Step 4: Simplify right side
   1,445.65x = 1,561,124.47
5. Step 5: Solve for x
   x = 1,561,124.47/1,445.65
6. Step 6: Final answer
   x = 1,079.88