Finding the Fourth Proportional to 31,756.82, 47,618.37 and 10,689.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,756.82 : 47,618.37 = 10,689.83 : x
2. Step 2: Convert to fraction form
   31,756.82/47,618.37 = 10,689.83/x
3. Step 3: Cross multiply
   31,756.82x = 47,618.37 × 10,689.83
4. Step 4: Simplify right side
   31,756.82x = 509,032,280.18
5. Step 5: Solve for x
   x = 509,032,280.18/31,756.82
6. Step 6: Final answer
   x = 16,029.07