Finding the Fourth Proportional to 109,188.82, 150,680.10 and 61,442.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,188.82 : 150,680.10 = 61,442.96 : x
2. Step 2: Convert to fraction form
   109,188.82/150,680.10 = 61,442.96/x
3. Step 3: Cross multiply
   109,188.82x = 150,680.10 × 61,442.96
4. Step 4: Simplify right side
   109,188.82x = 9,258,231,049.88
5. Step 5: Solve for x
   x = 9,258,231,049.88/109,188.82
6. Step 6: Final answer
   x = 84,791.02