Finding the Fourth Proportional to 1,695.72, 2,340.02 and 987.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,695.72 : 2,340.02 = 987.59 : x
2. Step 2: Convert to fraction form
   1,695.72/2,340.02 = 987.59/x
3. Step 3: Cross multiply
   1,695.72x = 2,340.02 × 987.59
4. Step 4: Simplify right side
   1,695.72x = 2,310,968.65
5. Step 5: Solve for x
   x = 2,310,968.65/1,695.72
6. Step 6: Final answer
   x = 1,362.82