Finding the Fourth Proportional to 59,171.58, 88,738.20 and 19,718.10

Step by Step Solution

1. Step 1: Write the proportion equation
   59,171.58 : 88,738.20 = 19,718.10 : x
2. Step 2: Convert to fraction form
   59,171.58/88,738.20 = 19,718.10/x
3. Step 3: Cross multiply
   59,171.58x = 88,738.20 × 19,718.10
4. Step 4: Simplify right side
   59,171.58x = 1,749,748,701.42
5. Step 5: Solve for x
   x = 1,749,748,701.42/59,171.58
6. Step 6: Final answer
   x = 29,570.76