Finding the Fourth Proportional to 2,061.02, 3,090.99 and 599.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.02 : 3,090.99 = 599.78 : x
2. Step 2: Convert to fraction form
   2,061.02/3,090.99 = 599.78/x
3. Step 3: Cross multiply
   2,061.02x = 3,090.99 × 599.78
4. Step 4: Simplify right side
   2,061.02x = 1,853,913.98
5. Step 5: Solve for x
   x = 1,853,913.98/2,061.02
6. Step 6: Final answer
   x = 899.51