Finding the Fourth Proportional to 109,192.43, 150,685.49 and 61,445.82

Step by Step Solution

1. Step 1: Write the proportion equation
   109,192.43 : 150,685.49 = 61,445.82 : x
2. Step 2: Convert to fraction form
   109,192.43/150,685.49 = 61,445.82/x
3. Step 3: Cross multiply
   109,192.43x = 150,685.49 × 61,445.82
4. Step 4: Simplify right side
   109,192.43x = 9,258,993,495.15
5. Step 5: Solve for x
   x = 9,258,993,495.15/109,192.43
6. Step 6: Final answer
   x = 84,795.20