Finding the Fourth Proportional to 31,154.64, 42,994.14 and 17,007.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,154.64 : 42,994.14 = 17,007.59 : x
2. Step 2: Convert to fraction form
   31,154.64/42,994.14 = 17,007.59/x
3. Step 3: Cross multiply
   31,154.64x = 42,994.14 × 17,007.59
4. Step 4: Simplify right side
   31,154.64x = 731,226,705.52
5. Step 5: Solve for x
   x = 731,226,705.52/31,154.64
6. Step 6: Final answer
   x = 23,470.88