Finding the Fourth Proportional to 31,030.06, 42,822.40 and 16,883.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030.06 : 42,822.40 = 16,883.82 : x
2. Step 2: Convert to fraction form
   31,030.06/42,822.40 = 16,883.82/x
3. Step 3: Cross multiply
   31,030.06x = 42,822.40 × 16,883.82
4. Step 4: Simplify right side
   31,030.06x = 723,005,693.57
5. Step 5: Solve for x
   x = 723,005,693.57/31,030.06
6. Step 6: Final answer
   x = 23,300.17