Finding the Fourth Proportional to 109,097.10, 150,488.70 and 66,581.82

Step by Step Solution

1. Step 1: Write the proportion equation
   109,097.10 : 150,488.70 = 66,581.82 : x
2. Step 2: Convert to fraction form
   109,097.10/150,488.70 = 66,581.82/x
3. Step 3: Cross multiply
   109,097.10x = 150,488.70 × 66,581.82
4. Step 4: Simplify right side
   109,097.10x = 10,019,811,535.43
5. Step 5: Solve for x
   x = 10,019,811,535.43/109,097.10
6. Step 6: Final answer
   x = 91,843.06