Finding the Fourth Proportional to 10,503.52, 15,756.84 and 3,840.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503.52 : 15,756.84 = 3,840.35 : x
2. Step 2: Convert to fraction form
   10,503.52/15,756.84 = 3,840.35/x
3. Step 3: Cross multiply
   10,503.52x = 15,756.84 × 3,840.35
4. Step 4: Simplify right side
   10,503.52x = 60,511,819.89
5. Step 5: Solve for x
   x = 60,511,819.89/10,503.52
6. Step 6: Final answer
   x = 5,761.10