Finding the Fourth Proportional to 1,606.02, 2,216.04 and 942.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.02 : 2,216.04 = 942.78 : x
2. Step 2: Convert to fraction form
   1,606.02/2,216.04 = 942.78/x
3. Step 3: Cross multiply
   1,606.02x = 2,216.04 × 942.78
4. Step 4: Simplify right side
   1,606.02x = 2,089,238.19
5. Step 5: Solve for x
   x = 2,089,238.19/1,606.02
6. Step 6: Final answer
   x = 1,300.88