Finding the Fourth Proportional to 1,824.88, 2,518.34 and 985.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,824.88 : 2,518.34 = 985.59 : x
2. Step 2: Convert to fraction form
   1,824.88/2,518.34 = 985.59/x
3. Step 3: Cross multiply
   1,824.88x = 2,518.34 × 985.59
4. Step 4: Simplify right side
   1,824.88x = 2,482,046.47
5. Step 5: Solve for x
   x = 2,482,046.47/1,824.88
6. Step 6: Final answer
   x = 1,360.11