Finding the Fourth Proportional to 1,942, 2,678.76 and 1,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942 : 2,678.76 = 1,155.52 : x
2. Step 2: Convert to fraction form
   1,942/2,678.76 = 1,155.52/x
3. Step 3: Cross multiply
   1,942x = 2,678.76 × 1,155.52
4. Step 4: Simplify right side
   1,942x = 3,095,360.76
5. Step 5: Solve for x
   x = 3,095,360.76/1,942
6. Step 6: Final answer
   x = 1,593.90