Finding the Fourth Proportional to 2,526.80, 3,488.63 and 1,630.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.80 : 3,488.63 = 1,630.89 : x
2. Step 2: Convert to fraction form
   2,526.80/3,488.63 = 1,630.89/x
3. Step 3: Cross multiply
   2,526.80x = 3,488.63 × 1,630.89
4. Step 4: Simplify right side
   2,526.80x = 5,689,563.63
5. Step 5: Solve for x
   x = 5,689,563.63/2,526.80
6. Step 6: Final answer
   x = 2,251.69