Finding the Fourth Proportional to 6,978.08, 10,463.72 and 4,870.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.08 : 10,463.72 = 4,870.72 : x
2. Step 2: Convert to fraction form
   6,978.08/10,463.72 = 4,870.72/x
3. Step 3: Cross multiply
   6,978.08x = 10,463.72 × 4,870.72
4. Step 4: Simplify right side
   6,978.08x = 50,965,850.28
5. Step 5: Solve for x
   x = 50,965,850.28/6,978.08
6. Step 6: Final answer
   x = 7,303.71