Finding the Fourth Proportional to 1,688.04, 2,329.43 and 942.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688.04 : 2,329.43 = 942.03 : x
2. Step 2: Convert to fraction form
   1,688.04/2,329.43 = 942.03/x
3. Step 3: Cross multiply
   1,688.04x = 2,329.43 × 942.03
4. Step 4: Simplify right side
   1,688.04x = 2,194,388.23
5. Step 5: Solve for x
   x = 2,194,388.23/1,688.04
6. Step 6: Final answer
   x = 1,299.96