Finding the Fourth Proportional to 1,888.73, 2,606.72 and 1,573.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888.73 : 2,606.72 = 1,573.55 : x
2. Step 2: Convert to fraction form
   1,888.73/2,606.72 = 1,573.55/x
3. Step 3: Cross multiply
   1,888.73x = 2,606.72 × 1,573.55
4. Step 4: Simplify right side
   1,888.73x = 4,101,783.35
5. Step 5: Solve for x
   x = 4,101,783.35/1,888.73
6. Step 6: Final answer
   x = 2,171.72