Finding the Fourth Proportional to 10,150.57, 15,221.95 and 3,485.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,150.57 : 15,221.95 = 3,485.82 : x
2. Step 2: Convert to fraction form
   10,150.57/15,221.95 = 3,485.82/x
3. Step 3: Cross multiply
   10,150.57x = 15,221.95 × 3,485.82
4. Step 4: Simplify right side
   10,150.57x = 53,060,977.75
5. Step 5: Solve for x
   x = 53,060,977.75/10,150.57
6. Step 6: Final answer
   x = 5,227.39