Finding the Fourth Proportional to 10,785.76, 16,164.96 and 4,856.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,785.76 : 16,164.96 = 4,856.32 : x
2. Step 2: Convert to fraction form
   10,785.76/16,164.96 = 4,856.32/x
3. Step 3: Cross multiply
   10,785.76x = 16,164.96 × 4,856.32
4. Step 4: Simplify right side
   10,785.76x = 78,502,218.55
5. Step 5: Solve for x
   x = 78,502,218.55/10,785.76
6. Step 6: Final answer
   x = 7,278.32