Finding the Fourth Proportional to 62,777.88, 86,633.42 and 34,485.39

Step by Step Solution

1. Step 1: Write the proportion equation
   62,777.88 : 86,633.42 = 34,485.39 : x
2. Step 2: Convert to fraction form
   62,777.88/86,633.42 = 34,485.39/x
3. Step 3: Cross multiply
   62,777.88x = 86,633.42 × 34,485.39
4. Step 4: Simplify right side
   62,777.88x = 2,987,587,103.31
5. Step 5: Solve for x
   x = 2,987,587,103.31/62,777.88
6. Step 6: Final answer
   x = 47,589.81