Finding the Fourth Proportional to 3,736.72, 5,607.78 and 1,790.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.72 : 5,607.78 = 1,790.02 : x
2. Step 2: Convert to fraction form
   3,736.72/5,607.78 = 1,790.02/x
3. Step 3: Cross multiply
   3,736.72x = 5,607.78 × 1,790.02
4. Step 4: Simplify right side
   3,736.72x = 10,038,038.36
5. Step 5: Solve for x
   x = 10,038,038.36/3,736.72
6. Step 6: Final answer
   x = 2,686.32