Finding the Fourth Proportional to 1,519.87, 2,095.98 and 988.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.87 : 2,095.98 = 988.18 : x
2. Step 2: Convert to fraction form
   1,519.87/2,095.98 = 988.18/x
3. Step 3: Cross multiply
   1,519.87x = 2,095.98 × 988.18
4. Step 4: Simplify right side
   1,519.87x = 2,071,205.52
5. Step 5: Solve for x
   x = 2,071,205.52/1,519.87
6. Step 6: Final answer
   x = 1,362.75