Finding the Fourth Proportional to 31,624.88, 43,642.32 and 17,477.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,624.88 : 43,642.32 = 17,477.60 : x
2. Step 2: Convert to fraction form
   31,624.88/43,642.32 = 17,477.60/x
3. Step 3: Cross multiply
   31,624.88x = 43,642.32 × 17,477.60
4. Step 4: Simplify right side
   31,624.88x = 762,763,012.03
5. Step 5: Solve for x
   x = 762,763,012.03/31,624.88
6. Step 6: Final answer
   x = 24,119.08