Finding the Fourth Proportional to 10,898.88, 16,344.72 and 3,501.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,898.88 : 16,344.72 = 3,501.57 : x
2. Step 2: Convert to fraction form
   10,898.88/16,344.72 = 3,501.57/x
3. Step 3: Cross multiply
   10,898.88x = 16,344.72 × 3,501.57
4. Step 4: Simplify right side
   10,898.88x = 57,232,181.21
5. Step 5: Solve for x
   x = 57,232,181.21/10,898.88
6. Step 6: Final answer
   x = 5,251.20