Finding the Fourth Proportional to 59,103.20, 88,662.90 and 19,656.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,103.20 : 88,662.90 = 19,656.20 : x
2. Step 2: Convert to fraction form
   59,103.20/88,662.90 = 19,656.20/x
3. Step 3: Cross multiply
   59,103.20x = 88,662.90 × 19,656.20
4. Step 4: Simplify right side
   59,103.20x = 1,742,775,694.98
5. Step 5: Solve for x
   x = 1,742,775,694.98/59,103.20
6. Step 6: Final answer
   x = 29,486.99