Finding the Fourth Proportional to 31,830.76, 43,926.50 and 17,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,830.76 : 43,926.50 = 17,683.72 : x
2. Step 2: Convert to fraction form
   31,830.76/43,926.50 = 17,683.72/x
3. Step 3: Cross multiply
   31,830.76x = 43,926.50 × 17,683.72
4. Step 4: Simplify right side
   31,830.76x = 776,783,926.58
5. Step 5: Solve for x
   x = 776,783,926.58/31,830.76
6. Step 6: Final answer
   x = 24,403.56