Finding the Fourth Proportional to 31,309.60, 42,949.94 and 29,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,309.60 : 42,949.94 = 29,614.72 : x
2. Step 2: Convert to fraction form
   31,309.60/42,949.94 = 29,614.72/x
3. Step 3: Cross multiply
   31,309.60x = 42,949.94 × 29,614.72
4. Step 4: Simplify right side
   31,309.60x = 1,271,950,447.12
5. Step 5: Solve for x
   x = 1,271,950,447.12/31,309.60
6. Step 6: Final answer
   x = 40,624.93