Finding the Fourth Proportional to 1,334.47, 1,998.20 and 942.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.47 : 1,998.20 = 942.35 : x
2. Step 2: Convert to fraction form
   1,334.47/1,998.20 = 942.35/x
3. Step 3: Cross multiply
   1,334.47x = 1,998.20 × 942.35
4. Step 4: Simplify right side
   1,334.47x = 1,883,003.77
5. Step 5: Solve for x
   x = 1,883,003.77/1,334.47
6. Step 6: Final answer
   x = 1,411.05