Finding the Fourth Proportional to 107,519.36, 148,385.69 and 59,777.15

Step by Step Solution

1. Step 1: Write the proportion equation
   107,519.36 : 148,385.69 = 59,777.15 : x
2. Step 2: Convert to fraction form
   107,519.36/148,385.69 = 59,777.15/x
3. Step 3: Cross multiply
   107,519.36x = 148,385.69 × 59,777.15
4. Step 4: Simplify right side
   107,519.36x = 8,870,072,608.17
5. Step 5: Solve for x
   x = 8,870,072,608.17/107,519.36
6. Step 6: Final answer
   x = 82,497.45