Finding the Fourth Proportional to 31,050.56, 42,849.88 and 16,903.51

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050.56 : 42,849.88 = 16,903.51 : x
2. Step 2: Convert to fraction form
   31,050.56/42,849.88 = 16,903.51/x
3. Step 3: Cross multiply
   31,050.56x = 42,849.88 × 16,903.51
4. Step 4: Simplify right side
   31,050.56x = 724,313,225.70
5. Step 5: Solve for x
   x = 724,313,225.70/31,050.56
6. Step 6: Final answer
   x = 23,326.90