Finding the Fourth Proportional to 1,916.42, 2,875.72 and 942.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.42 : 2,875.72 = 942.53 : x
2. Step 2: Convert to fraction form
   1,916.42/2,875.72 = 942.53/x
3. Step 3: Cross multiply
   1,916.42x = 2,875.72 × 942.53
4. Step 4: Simplify right side
   1,916.42x = 2,710,457.20
5. Step 5: Solve for x
   x = 2,710,457.20/1,916.42
6. Step 6: Final answer
   x = 1,414.33