Finding the Fourth Proportional to 1,599.12, 2,395.59 and 981.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,599.12 : 2,395.59 = 981.02 : x
2. Step 2: Convert to fraction form
   1,599.12/2,395.59 = 981.02/x
3. Step 3: Cross multiply
   1,599.12x = 2,395.59 × 981.02
4. Step 4: Simplify right side
   1,599.12x = 2,350,109.72
5. Step 5: Solve for x
   x = 2,350,109.72/1,599.12
6. Step 6: Final answer
   x = 1,469.63