Finding the Fourth Proportional to 108,234, 162,417.42 and 45,904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,234 : 162,417.42 = 45,904.50 : x
2. Step 2: Convert to fraction form
   108,234/162,417.42 = 45,904.50/x
3. Step 3: Cross multiply
   108,234x = 162,417.42 × 45,904.50
4. Step 4: Simplify right side
   108,234x = 7,455,690,456.39
5. Step 5: Solve for x
   x = 7,455,690,456.39/108,234
6. Step 6: Final answer
   x = 68,884.92