Finding the Fourth Proportional to 109,164.42, 150,647.52 and 61,418.58

Step by Step Solution

1. Step 1: Write the proportion equation
   109,164.42 : 150,647.52 = 61,418.58 : x
2. Step 2: Convert to fraction form
   109,164.42/150,647.52 = 61,418.58/x
3. Step 3: Cross multiply
   109,164.42x = 150,647.52 × 61,418.58
4. Step 4: Simplify right side
   109,164.42x = 9,252,556,758.92
5. Step 5: Solve for x
   x = 9,252,556,758.92/109,164.42
6. Step 6: Final answer
   x = 84,757.99