Finding the Fourth Proportional to 1,784.39, 2,679.82 and 1,554.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.39 : 2,679.82 = 1,554.89 : x
2. Step 2: Convert to fraction form
   1,784.39/2,679.82 = 1,554.89/x
3. Step 3: Cross multiply
   1,784.39x = 2,679.82 × 1,554.89
4. Step 4: Simplify right side
   1,784.39x = 4,166,808.03
5. Step 5: Solve for x
   x = 4,166,808.03/1,784.39
6. Step 6: Final answer
   x = 2,335.15