Finding the Fourth Proportional to 99,191.73, 148,793.22 and 31,729.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,191.73 : 148,793.22 = 31,729.69 : x
2. Step 2: Convert to fraction form
   99,191.73/148,793.22 = 31,729.69/x
3. Step 3: Cross multiply
   99,191.73x = 148,793.22 × 31,729.69
4. Step 4: Simplify right side
   99,191.73x = 4,721,162,683.76
5. Step 5: Solve for x
   x = 4,721,162,683.76/99,191.73
6. Step 6: Final answer
   x = 47,596.33