Finding the Fourth Proportional to 31,231.89, 43,099.83 and 17,803.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,231.89 : 43,099.83 = 17,803.71 : x
2. Step 2: Convert to fraction form
   31,231.89/43,099.83 = 17,803.71/x
3. Step 3: Cross multiply
   31,231.89x = 43,099.83 × 17,803.71
4. Step 4: Simplify right side
   31,231.89x = 767,336,874.37
5. Step 5: Solve for x
   x = 767,336,874.37/31,231.89
6. Step 6: Final answer
   x = 24,569.02