Finding the Fourth Proportional to 59,635.80, 83,613 and 59,635.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,635.80 : 83,613 = 59,635.80 : x
2. Step 2: Convert to fraction form
   59,635.80/83,613 = 59,635.80/x
3. Step 3: Cross multiply
   59,635.80x = 83,613 × 59,635.80
4. Step 4: Simplify right side
   59,635.80x = 4,986,328,145.40
5. Step 5: Solve for x
   x = 4,986,328,145.40/59,635.80
6. Step 6: Final answer
   x = 83,613