Finding the Fourth Proportional to 108,761.88, 150,093.72 and 61,018.68

Step by Step Solution

1. Step 1: Write the proportion equation
   108,761.88 : 150,093.72 = 61,018.68 : x
2. Step 2: Convert to fraction form
   108,761.88/150,093.72 = 61,018.68/x
3. Step 3: Cross multiply
   108,761.88x = 150,093.72 × 61,018.68
4. Step 4: Simplify right side
   108,761.88x = 9,158,520,670.69
5. Step 5: Solve for x
   x = 9,158,520,670.69/108,761.88
6. Step 6: Final answer
   x = 84,207.08