Finding the Fourth Proportional to 10,503.18, 15,746.27 and 3,928.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503.18 : 15,746.27 = 3,928.41 : x
2. Step 2: Convert to fraction form
   10,503.18/15,746.27 = 3,928.41/x
3. Step 3: Cross multiply
   10,503.18x = 15,746.27 × 3,928.41
4. Step 4: Simplify right side
   10,503.18x = 61,857,784.89
5. Step 5: Solve for x
   x = 61,857,784.89/10,503.18
6. Step 6: Final answer
   x = 5,889.43