Finding the Fourth Proportional to 31,033.32, 42,826.08 and 16,886.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,033.32 : 42,826.08 = 16,886.18 : x
2. Step 2: Convert to fraction form
   31,033.32/42,826.08 = 16,886.18/x
3. Step 3: Cross multiply
   31,033.32x = 42,826.08 × 16,886.18
4. Step 4: Simplify right side
   31,033.32x = 723,168,895.57
5. Step 5: Solve for x
   x = 723,168,895.57/31,033.32
6. Step 6: Final answer
   x = 23,302.98