Finding the Fourth Proportional to 109,019.46, 150,442.92 and 61,275.42

Step by Step Solution

1. Step 1: Write the proportion equation
   109,019.46 : 150,442.92 = 61,275.42 : x
2. Step 2: Convert to fraction form
   109,019.46/150,442.92 = 61,275.42/x
3. Step 3: Cross multiply
   109,019.46x = 150,442.92 × 61,275.42
4. Step 4: Simplify right side
   109,019.46x = 9,218,453,109.03
5. Step 5: Solve for x
   x = 9,218,453,109.03/109,019.46
6. Step 6: Final answer
   x = 84,557.87