Finding the Fourth Proportional to 31,050.84, 42,850.32 and 16,903.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050.84 : 42,850.32 = 16,903.69 : x
2. Step 2: Convert to fraction form
   31,050.84/42,850.32 = 16,903.69/x
3. Step 3: Cross multiply
   31,050.84x = 42,850.32 × 16,903.69
4. Step 4: Simplify right side
   31,050.84x = 724,328,355.17
5. Step 5: Solve for x
   x = 724,328,355.17/31,050.84
6. Step 6: Final answer
   x = 23,327.17