Finding the Fourth Proportional to 31,009.17, 42,794.52 and 18,270.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,009.17 : 42,794.52 = 18,270.84 : x
2. Step 2: Convert to fraction form
   31,009.17/42,794.52 = 18,270.84/x
3. Step 3: Cross multiply
   31,009.17x = 42,794.52 × 18,270.84
4. Step 4: Simplify right side
   31,009.17x = 781,892,034.24
5. Step 5: Solve for x
   x = 781,892,034.24/31,009.17
6. Step 6: Final answer
   x = 25,214.86