Finding the Fourth Proportional to 2,753.92, 4,131.34 and 904.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,753.92 : 4,131.34 = 904.63 : x
2. Step 2: Convert to fraction form
   2,753.92/4,131.34 = 904.63/x
3. Step 3: Cross multiply
   2,753.92x = 4,131.34 × 904.63
4. Step 4: Simplify right side
   2,753.92x = 3,737,321.51
5. Step 5: Solve for x
   x = 3,737,321.51/2,753.92
6. Step 6: Final answer
   x = 1,357.09