Finding the Fourth Proportional to 99,744.99, 137,665.89 and 59,461.35

Step by Step Solution

1. Step 1: Write the proportion equation
   99,744.99 : 137,665.89 = 59,461.35 : x
2. Step 2: Convert to fraction form
   99,744.99/137,665.89 = 59,461.35/x
3. Step 3: Cross multiply
   99,744.99x = 137,665.89 × 59,461.35
4. Step 4: Simplify right side
   99,744.99x = 8,185,799,668.35
5. Step 5: Solve for x
   x = 8,185,799,668.35/99,744.99
6. Step 6: Final answer
   x = 82,067.28