Finding the Fourth Proportional to 10,904.47, 16,356.18 and 3,508.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,904.47 : 16,356.18 = 3,508.77 : x
2. Step 2: Convert to fraction form
   10,904.47/16,356.18 = 3,508.77/x
3. Step 3: Cross multiply
   10,904.47x = 16,356.18 × 3,508.77
4. Step 4: Simplify right side
   10,904.47x = 57,390,036.45
5. Step 5: Solve for x
   x = 57,390,036.45/10,904.47
6. Step 6: Final answer
   x = 5,262.98