Finding the Fourth Proportional to 1,294.51, 1,942.73 and 948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.51 : 1,942.73 = 948.72 : x
2. Step 2: Convert to fraction form
   1,294.51/1,942.73 = 948.72/x
3. Step 3: Cross multiply
   1,294.51x = 1,942.73 × 948.72
4. Step 4: Simplify right side
   1,294.51x = 1,843,106.81
5. Step 5: Solve for x
   x = 1,843,106.81/1,294.51
6. Step 6: Final answer
   x = 1,423.79