Finding the Fourth Proportional to 1,923.52, 2,638.16 and 1,900.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,923.52 : 2,638.16 = 1,900.80 : x
2. Step 2: Convert to fraction form
   1,923.52/2,638.16 = 1,900.80/x
3. Step 3: Cross multiply
   1,923.52x = 2,638.16 × 1,900.80
4. Step 4: Simplify right side
   1,923.52x = 5,014,614.53
5. Step 5: Solve for x
   x = 5,014,614.53/1,923.52
6. Step 6: Final answer
   x = 2,607.00