Finding the Fourth Proportional to 109,379.63, 150,943.98 and 59,078.63

Step by Step Solution

1. Step 1: Write the proportion equation
   109,379.63 : 150,943.98 = 59,078.63 : x
2. Step 2: Convert to fraction form
   109,379.63/150,943.98 = 59,078.63/x
3. Step 3: Cross multiply
   109,379.63x = 150,943.98 × 59,078.63
4. Step 4: Simplify right side
   109,379.63x = 8,917,562,790.43
5. Step 5: Solve for x
   x = 8,917,562,790.43/109,379.63
6. Step 6: Final answer
   x = 81,528.56