Finding the Fourth Proportional to 59,003.20, 88,472 and 19,538.79

Step by Step Solution

1. Step 1: Write the proportion equation
   59,003.20 : 88,472 = 19,538.79 : x
2. Step 2: Convert to fraction form
   59,003.20/88,472 = 19,538.79/x
3. Step 3: Cross multiply
   59,003.20x = 88,472 × 19,538.79
4. Step 4: Simplify right side
   59,003.20x = 1,728,635,828.88
5. Step 5: Solve for x
   x = 1,728,635,828.88/59,003.20
6. Step 6: Final answer
   x = 29,297.32