Finding the Fourth Proportional to 1,460.04, 2,015.22 and 987.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,460.04 : 2,015.22 = 987.72 : x
2. Step 2: Convert to fraction form
   1,460.04/2,015.22 = 987.72/x
3. Step 3: Cross multiply
   1,460.04x = 2,015.22 × 987.72
4. Step 4: Simplify right side
   1,460.04x = 1,990,473.10
5. Step 5: Solve for x
   x = 1,990,473.10/1,460.04
6. Step 6: Final answer
   x = 1,363.30