Finding the Fourth Proportional to 31,361.41, 47,041.89 and 7,669.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,361.41 : 47,041.89 = 7,669.05 : x
2. Step 2: Convert to fraction form
   31,361.41/47,041.89 = 7,669.05/x
3. Step 3: Cross multiply
   31,361.41x = 47,041.89 × 7,669.05
4. Step 4: Simplify right side
   31,361.41x = 360,766,606.50
5. Step 5: Solve for x
   x = 360,766,606.50/31,361.41
6. Step 6: Final answer
   x = 11,503.52