Finding the Fourth Proportional to 112,308.52, 168,663.57 and 107,793.38

Step by Step Solution

1. Step 1: Write the proportion equation
   112,308.52 : 168,663.57 = 107,793.38 : x
2. Step 2: Convert to fraction form
   112,308.52/168,663.57 = 107,793.38/x
3. Step 3: Cross multiply
   112,308.52x = 168,663.57 × 107,793.38
4. Step 4: Simplify right side
   112,308.52x = 18,180,816,293.17
5. Step 5: Solve for x
   x = 18,180,816,293.17/112,308.52
6. Step 6: Final answer
   x = 161,882.79