Finding the Fourth Proportional to 2,501.10, 3,756.78 and 1,918.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.10 : 3,756.78 = 1,918.80 : x
2. Step 2: Convert to fraction form
   2,501.10/3,756.78 = 1,918.80/x
3. Step 3: Cross multiply
   2,501.10x = 3,756.78 × 1,918.80
4. Step 4: Simplify right side
   2,501.10x = 7,208,509.46
5. Step 5: Solve for x
   x = 7,208,509.46/2,501.10
6. Step 6: Final answer
   x = 2,882.14