Finding the Fourth Proportional to 109,085.57, 150,535.10 and 61,337.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109,085.57 : 150,535.10 = 61,337.69 : x
2. Step 2: Convert to fraction form
   109,085.57/150,535.10 = 61,337.69/x
3. Step 3: Cross multiply
   109,085.57x = 150,535.10 × 61,337.69
4. Step 4: Simplify right side
   109,085.57x = 9,233,474,991.23
5. Step 5: Solve for x
   x = 9,233,474,991.23/109,085.57
6. Step 6: Final answer
   x = 84,644.33