Finding the Fourth Proportional to 1,559.69, 2,337.10 and 981.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.69 : 2,337.10 = 981.35 : x
2. Step 2: Convert to fraction form
   1,559.69/2,337.10 = 981.35/x
3. Step 3: Cross multiply
   1,559.69x = 2,337.10 × 981.35
4. Step 4: Simplify right side
   1,559.69x = 2,293,513.09
5. Step 5: Solve for x
   x = 2,293,513.09/1,559.69
6. Step 6: Final answer
   x = 1,470.49