Finding the Fourth Proportional to 10,338.84, 15,513.39 and 4,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.84 : 15,513.39 = 4,098.72 : x
2. Step 2: Convert to fraction form
   10,338.84/15,513.39 = 4,098.72/x
3. Step 3: Cross multiply
   10,338.84x = 15,513.39 × 4,098.72
4. Step 4: Simplify right side
   10,338.84x = 63,585,041.86
5. Step 5: Solve for x
   x = 63,585,041.86/10,338.84
6. Step 6: Final answer
   x = 6,150.11