Finding the Fourth Proportional to 31,155.14, 42,994.83 and 17,008.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,155.14 : 42,994.83 = 17,008.09 : x
2. Step 2: Convert to fraction form
   31,155.14/42,994.83 = 17,008.09/x
3. Step 3: Cross multiply
   31,155.14x = 42,994.83 × 17,008.09
4. Step 4: Simplify right side
   31,155.14x = 731,259,938.17
5. Step 5: Solve for x
   x = 731,259,938.17/31,155.14
6. Step 6: Final answer
   x = 23,471.57