Finding the Fourth Proportional to 10,785.42, 16,164.50 and 4,856.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,785.42 : 16,164.50 = 4,856.00 : x
2. Step 2: Convert to fraction form
   10,785.42/16,164.50 = 4,856.00/x
3. Step 3: Cross multiply
   10,785.42x = 16,164.50 × 4,856.00
4. Step 4: Simplify right side
   10,785.42x = 78,494,706.90
5. Step 5: Solve for x
   x = 78,494,706.90/10,785.42
6. Step 6: Final answer
   x = 7,277.85