Finding the Fourth Proportional to 123,491.28, 184,342.82 and 108,544.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,491.28 : 184,342.82 = 108,544.72 : x
2. Step 2: Convert to fraction form
   123,491.28/184,342.82 = 108,544.72/x
3. Step 3: Cross multiply
   123,491.28x = 184,342.82 × 108,544.72
4. Step 4: Simplify right side
   123,491.28x = 20,009,439,780.91
5. Step 5: Solve for x
   x = 20,009,439,780.91/123,491.28
6. Step 6: Final answer
   x = 162,031.20