Finding the Fourth Proportional to 59,987.64, 82,738.20 and 53,189.64

Step by Step Solution

1. Step 1: Write the proportion equation
   59,987.64 : 82,738.20 = 53,189.64 : x
2. Step 2: Convert to fraction form
   59,987.64/82,738.20 = 53,189.64/x
3. Step 3: Cross multiply
   59,987.64x = 82,738.20 × 53,189.64
4. Step 4: Simplify right side
   59,987.64x = 4,400,815,072.25
5. Step 5: Solve for x
   x = 4,400,815,072.25/59,987.64
6. Step 6: Final answer
   x = 73,362.03