Finding the Fourth Proportional to 1,872.96, 2,804.83 and 947.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.96 : 2,804.83 = 947.24 : x
2. Step 2: Convert to fraction form
   1,872.96/2,804.83 = 947.24/x
3. Step 3: Cross multiply
   1,872.96x = 2,804.83 × 947.24
4. Step 4: Simplify right side
   1,872.96x = 2,656,857.07
5. Step 5: Solve for x
   x = 2,656,857.07/1,872.96
6. Step 6: Final answer
   x = 1,418.53