Finding the Fourth Proportional to 108,961.61, 150,340.59 and 63,613.76

Step by Step Solution

1. Step 1: Write the proportion equation
   108,961.61 : 150,340.59 = 63,613.76 : x
2. Step 2: Convert to fraction form
   108,961.61/150,340.59 = 63,613.76/x
3. Step 3: Cross multiply
   108,961.61x = 150,340.59 × 63,613.76
4. Step 4: Simplify right side
   108,961.61x = 9,563,729,458.82
5. Step 5: Solve for x
   x = 9,563,729,458.82/108,961.61
6. Step 6: Final answer
   x = 87,771.55