Finding the Fourth Proportional to 31,048.29, 42,845.54 and 16,900.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,048.29 : 42,845.54 = 16,900.83 : x
2. Step 2: Convert to fraction form
   31,048.29/42,845.54 = 16,900.83/x
3. Step 3: Cross multiply
   31,048.29x = 42,845.54 × 16,900.83
4. Step 4: Simplify right side
   31,048.29x = 724,125,015.82
5. Step 5: Solve for x
   x = 724,125,015.82/31,048.29
6. Step 6: Final answer
   x = 23,322.54