Finding the Fourth Proportional to 10,401.57, 15,598.53 and 3,379.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.57 : 15,598.53 = 3,379.80 : x
2. Step 2: Convert to fraction form
   10,401.57/15,598.53 = 3,379.80/x
3. Step 3: Cross multiply
   10,401.57x = 15,598.53 × 3,379.80
4. Step 4: Simplify right side
   10,401.57x = 52,719,911.69
5. Step 5: Solve for x
   x = 52,719,911.69/10,401.57
6. Step 6: Final answer
   x = 5,068.46