Finding the Fourth Proportional to 109,103.83, 150,532.23 and 65,478.66

Step by Step Solution

1. Step 1: Write the proportion equation
   109,103.83 : 150,532.23 = 65,478.66 : x
2. Step 2: Convert to fraction form
   109,103.83/150,532.23 = 65,478.66/x
3. Step 3: Cross multiply
   109,103.83x = 150,532.23 × 65,478.66
4. Step 4: Simplify right side
   109,103.83x = 9,856,648,707.21
5. Step 5: Solve for x
   x = 9,856,648,707.21/109,103.83
6. Step 6: Final answer
   x = 90,341.91