Finding the Fourth Proportional to 31,809.67, 43,898.69 and 17,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,809.67 : 43,898.69 = 17,662.50 : x
2. Step 2: Convert to fraction form
   31,809.67/43,898.69 = 17,662.50/x
3. Step 3: Cross multiply
   31,809.67x = 43,898.69 × 17,662.50
4. Step 4: Simplify right side
   31,809.67x = 775,360,656.28
5. Step 5: Solve for x
   x = 775,360,656.28/31,809.67
6. Step 6: Final answer
   x = 24,375.00