Finding the Fourth Proportional to 3,731.91, 5,598.56 and 1,266.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,731.91 : 5,598.56 = 1,266.09 : x
2. Step 2: Convert to fraction form
   3,731.91/5,598.56 = 1,266.09/x
3. Step 3: Cross multiply
   3,731.91x = 5,598.56 × 1,266.09
4. Step 4: Simplify right side
   3,731.91x = 7,088,280.83
5. Step 5: Solve for x
   x = 7,088,280.83/3,731.91
6. Step 6: Final answer
   x = 1,899.37