Finding the Fourth Proportional to 59,077.99, 81,499.48 and 39,964.45

Step by Step Solution

1. Step 1: Write the proportion equation
   59,077.99 : 81,499.48 = 39,964.45 : x
2. Step 2: Convert to fraction form
   59,077.99/81,499.48 = 39,964.45/x
3. Step 3: Cross multiply
   59,077.99x = 81,499.48 × 39,964.45
4. Step 4: Simplify right side
   59,077.99x = 3,257,081,893.49
5. Step 5: Solve for x
   x = 3,257,081,893.49/59,077.99
6. Step 6: Final answer
   x = 55,131.91