Finding the Fourth Proportional to 107,976.53, 149,006.59 and 59,578.89

Step by Step Solution

1. Step 1: Write the proportion equation
   107,976.53 : 149,006.59 = 59,578.89 : x
2. Step 2: Convert to fraction form
   107,976.53/149,006.59 = 59,578.89/x
3. Step 3: Cross multiply
   107,976.53x = 149,006.59 × 59,578.89
4. Step 4: Simplify right side
   107,976.53x = 8,877,647,085.94
5. Step 5: Solve for x
   x = 8,877,647,085.94/107,976.53
6. Step 6: Final answer
   x = 82,218.31