Finding the Fourth Proportional to 31,288.83, 43,178.67 and 17,141.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,288.83 : 43,178.67 = 17,141.68 : x
2. Step 2: Convert to fraction form
   31,288.83/43,178.67 = 17,141.68/x
3. Step 3: Cross multiply
   31,288.83x = 43,178.67 × 17,141.68
4. Step 4: Simplify right side
   31,288.83x = 740,154,755.06
5. Step 5: Solve for x
   x = 740,154,755.06/31,288.83
6. Step 6: Final answer
   x = 23,655.56