Finding the Fourth Proportional to 1,884.86, 2,824.55 and 1,689.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,884.86 : 2,824.55 = 1,689.85 : x
2. Step 2: Convert to fraction form
   1,884.86/2,824.55 = 1,689.85/x
3. Step 3: Cross multiply
   1,884.86x = 2,824.55 × 1,689.85
4. Step 4: Simplify right side
   1,884.86x = 4,773,065.82
5. Step 5: Solve for x
   x = 4,773,065.82/1,884.86
6. Step 6: Final answer
   x = 2,532.32