Finding the Fourth Proportional to 1,606.32, 2,215.98 and 942.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.32 : 2,215.98 = 942.96 : x
2. Step 2: Convert to fraction form
   1,606.32/2,215.98 = 942.96/x
3. Step 3: Cross multiply
   1,606.32x = 2,215.98 × 942.96
4. Step 4: Simplify right side
   1,606.32x = 2,089,580.50
5. Step 5: Solve for x
   x = 2,089,580.50/1,606.32
6. Step 6: Final answer
   x = 1,300.85