Finding the Fourth Proportional to 10,411.62, 15,619.86 and 3,838.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.62 : 15,619.86 = 3,838.47 : x
2. Step 2: Convert to fraction form
   10,411.62/15,619.86 = 3,838.47/x
3. Step 3: Cross multiply
   10,411.62x = 15,619.86 × 3,838.47
4. Step 4: Simplify right side
   10,411.62x = 59,956,364.01
5. Step 5: Solve for x
   x = 59,956,364.01/10,411.62
6. Step 6: Final answer
   x = 5,758.60