Finding the Fourth Proportional to 31,783.74, 43,861.72 and 17,636.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,783.74 : 43,861.72 = 17,636.58 : x
2. Step 2: Convert to fraction form
   31,783.74/43,861.72 = 17,636.58/x
3. Step 3: Cross multiply
   31,783.74x = 43,861.72 × 17,636.58
4. Step 4: Simplify right side
   31,783.74x = 773,570,733.72
5. Step 5: Solve for x
   x = 773,570,733.72/31,783.74
6. Step 6: Final answer
   x = 24,338.57