Finding the Fourth Proportional to 109,036.72, 150,739.02 and 108,038.80

Step by Step Solution

1. Step 1: Write the proportion equation
   109,036.72 : 150,739.02 = 108,038.80 : x
2. Step 2: Convert to fraction form
   109,036.72/150,739.02 = 108,038.80/x
3. Step 3: Cross multiply
   109,036.72x = 150,739.02 × 108,038.80
4. Step 4: Simplify right side
   109,036.72x = 16,285,662,833.98
5. Step 5: Solve for x
   x = 16,285,662,833.98/109,036.72
6. Step 6: Final answer
   x = 149,359.43