Finding the Fourth Proportional to 10,436.58, 15,661.08 and 3,867.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.58 : 15,661.08 = 3,867.35 : x
2. Step 2: Convert to fraction form
   10,436.58/15,661.08 = 3,867.35/x
3. Step 3: Cross multiply
   10,436.58x = 15,661.08 × 3,867.35
4. Step 4: Simplify right side
   10,436.58x = 60,566,799.43
5. Step 5: Solve for x
   x = 60,566,799.43/10,436.58
6. Step 6: Final answer
   x = 5,803.32