Finding the Fourth Proportional to 109,065.42, 150,448.81 and 65,446.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109,065.42 : 150,448.81 = 65,446.69 : x
2. Step 2: Convert to fraction form
   109,065.42/150,448.81 = 65,446.69/x
3. Step 3: Cross multiply
   109,065.42x = 150,448.81 × 65,446.69
4. Step 4: Simplify right side
   109,065.42x = 9,846,376,070.87
5. Step 5: Solve for x
   x = 9,846,376,070.87/109,065.42
6. Step 6: Final answer
   x = 90,279.54