Finding the Fourth Proportional to 10,870.11, 16,309.80 and 4,633.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.11 : 16,309.80 = 4,633.05 : x
2. Step 2: Convert to fraction form
   10,870.11/16,309.80 = 4,633.05/x
3. Step 3: Cross multiply
   10,870.11x = 16,309.80 × 4,633.05
4. Step 4: Simplify right side
   10,870.11x = 75,564,188.26
5. Step 5: Solve for x
   x = 75,564,188.26/10,870.11
6. Step 6: Final answer
   x = 6,951.56