Finding the Fourth Proportional to 1,916.15, 2,879.69 and 942.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.15 : 2,879.69 = 942.93 : x
2. Step 2: Convert to fraction form
   1,916.15/2,879.69 = 942.93/x
3. Step 3: Cross multiply
   1,916.15x = 2,879.69 × 942.93
4. Step 4: Simplify right side
   1,916.15x = 2,715,341.38
5. Step 5: Solve for x
   x = 2,715,341.38/1,916.15
6. Step 6: Final answer
   x = 1,417.09