Finding the Fourth Proportional to 60,782.21, 83,813.33 and 39,522.05

Step by Step Solution

1. Step 1: Write the proportion equation
   60,782.21 : 83,813.33 = 39,522.05 : x
2. Step 2: Convert to fraction form
   60,782.21/83,813.33 = 39,522.05/x
3. Step 3: Cross multiply
   60,782.21x = 83,813.33 × 39,522.05
4. Step 4: Simplify right side
   60,782.21x = 3,312,474,421.32
5. Step 5: Solve for x
   x = 3,312,474,421.32/60,782.21
6. Step 6: Final answer
   x = 54,497.43