Finding the Fourth Proportional to 59,933.48, 89,444.50 and 53,290.64

Step by Step Solution

1. Step 1: Write the proportion equation
   59,933.48 : 89,444.50 = 53,290.64 : x
2. Step 2: Convert to fraction form
   59,933.48/89,444.50 = 53,290.64/x
3. Step 3: Cross multiply
   59,933.48x = 89,444.50 × 53,290.64
4. Step 4: Simplify right side
   59,933.48x = 4,766,554,649.48
5. Step 5: Solve for x
   x = 4,766,554,649.48/59,933.48
6. Step 6: Final answer
   x = 79,530.75