Finding the Fourth Proportional to 31,123.17, 42,949.24 and 19,023.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,123.17 : 42,949.24 = 19,023.59 : x
2. Step 2: Convert to fraction form
   31,123.17/42,949.24 = 19,023.59/x
3. Step 3: Cross multiply
   31,123.17x = 42,949.24 × 19,023.59
4. Step 4: Simplify right side
   31,123.17x = 817,048,792.39
5. Step 5: Solve for x
   x = 817,048,792.39/31,123.17
6. Step 6: Final answer
   x = 26,252.11