Finding the Fourth Proportional to 109,218.48, 163,827.78 and 30,332.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,218.48 : 163,827.78 = 30,332.72 : x
2. Step 2: Convert to fraction form
   109,218.48/163,827.78 = 30,332.72/x
3. Step 3: Cross multiply
   109,218.48x = 163,827.78 × 30,332.72
4. Step 4: Simplify right side
   109,218.48x = 4,969,341,359.82
5. Step 5: Solve for x
   x = 4,969,341,359.82/109,218.48
6. Step 6: Final answer
   x = 45,499.09