Finding the Fourth Proportional to 10,523.95, 15,784.28 and 3,504.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,523.95 : 15,784.28 = 3,504.05 : x
2. Step 2: Convert to fraction form
   10,523.95/15,784.28 = 3,504.05/x
3. Step 3: Cross multiply
   10,523.95x = 15,784.28 × 3,504.05
4. Step 4: Simplify right side
   10,523.95x = 55,308,906.33
5. Step 5: Solve for x
   x = 55,308,906.33/10,523.95
6. Step 6: Final answer
   x = 5,255.53