Finding the Fourth Proportional to 7,844.32, 10,826.29 and 4,700.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,844.32 : 10,826.29 = 4,700.80 : x
2. Step 2: Convert to fraction form
   7,844.32/10,826.29 = 4,700.80/x
3. Step 3: Cross multiply
   7,844.32x = 10,826.29 × 4,700.80
4. Step 4: Simplify right side
   7,844.32x = 50,892,158.15
5. Step 5: Solve for x
   x = 50,892,158.15/7,844.32
6. Step 6: Final answer
   x = 6,487.78