Finding the Fourth Proportional to 1,908.63, 2,630.88 and 1,556.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.63 : 2,630.88 = 1,556.01 : x
2. Step 2: Convert to fraction form
   1,908.63/2,630.88 = 1,556.01/x
3. Step 3: Cross multiply
   1,908.63x = 2,630.88 × 1,556.01
4. Step 4: Simplify right side
   1,908.63x = 4,093,675.59
5. Step 5: Solve for x
   x = 4,093,675.59/1,908.63
6. Step 6: Final answer
   x = 2,144.82