Finding the Fourth Proportional to 59,926, 89,433.30 and 53,283.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,926 : 89,433.30 = 53,283.20 : x
2. Step 2: Convert to fraction form
   59,926/89,433.30 = 53,283.20/x
3. Step 3: Cross multiply
   59,926x = 89,433.30 × 53,283.20
4. Step 4: Simplify right side
   59,926x = 4,765,292,410.56
5. Step 5: Solve for x
   x = 4,765,292,410.56/59,926
6. Step 6: Final answer
   x = 79,519.61