Finding the Fourth Proportional to 31,288.94, 43,178.29 and 17,141.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,288.94 : 43,178.29 = 17,141.82 : x
2. Step 2: Convert to fraction form
   31,288.94/43,178.29 = 17,141.82/x
3. Step 3: Cross multiply
   31,288.94x = 43,178.29 × 17,141.82
4. Step 4: Simplify right side
   31,288.94x = 740,154,475.09
5. Step 5: Solve for x
   x = 740,154,475.09/31,288.94
6. Step 6: Final answer
   x = 23,655.47