Finding the Fourth Proportional to 2,630.34, 3,937.23 and 1,803.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.34 : 3,937.23 = 1,803.78 : x
2. Step 2: Convert to fraction form
   2,630.34/3,937.23 = 1,803.78/x
3. Step 3: Cross multiply
   2,630.34x = 3,937.23 × 1,803.78
4. Step 4: Simplify right side
   2,630.34x = 7,101,896.73
5. Step 5: Solve for x
   x = 7,101,896.73/2,630.34
6. Step 6: Final answer
   x = 2,699.99