Finding the Fourth Proportional to 31,784.58, 47,647.62 and 10,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,784.58 : 47,647.62 = 10,993.50 : x
2. Step 2: Convert to fraction form
   31,784.58/47,647.62 = 10,993.50/x
3. Step 3: Cross multiply
   31,784.58x = 47,647.62 × 10,993.50
4. Step 4: Simplify right side
   31,784.58x = 523,814,110.47
5. Step 5: Solve for x
   x = 523,814,110.47/31,784.58
6. Step 6: Final answer
   x = 16,480.13