Finding the Fourth Proportional to 31,048.16, 42,845.37 and 16,900.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,048.16 : 42,845.37 = 16,900.70 : x
2. Step 2: Convert to fraction form
   31,048.16/42,845.37 = 16,900.70/x
3. Step 3: Cross multiply
   31,048.16x = 42,845.37 × 16,900.70
4. Step 4: Simplify right side
   31,048.16x = 724,116,744.76
5. Step 5: Solve for x
   x = 724,116,744.76/31,048.16
6. Step 6: Final answer
   x = 23,322.37