Finding the Fourth Proportional to 1,558.29, 2,334.50 and 942.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.29 : 2,334.50 = 942.45 : x
2. Step 2: Convert to fraction form
   1,558.29/2,334.50 = 942.45/x
3. Step 3: Cross multiply
   1,558.29x = 2,334.50 × 942.45
4. Step 4: Simplify right side
   1,558.29x = 2,200,144.81
5. Step 5: Solve for x
   x = 2,200,144.81/1,558.29
6. Step 6: Final answer
   x = 1,411.90