Finding the Fourth Proportional to 3,092.56, 4,638.34 and 900.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,092.56 : 4,638.34 = 900.76 : x
2. Step 2: Convert to fraction form
   3,092.56/4,638.34 = 900.76/x
3. Step 3: Cross multiply
   3,092.56x = 4,638.34 × 900.76
4. Step 4: Simplify right side
   3,092.56x = 4,178,031.14
5. Step 5: Solve for x
   x = 4,178,031.14/3,092.56
6. Step 6: Final answer
   x = 1,350.99