Finding the Fourth Proportional to 99,793.30, 149,754.20 and 39,811.54

Step by Step Solution

1. Step 1: Write the proportion equation
   99,793.30 : 149,754.20 = 39,811.54 : x
2. Step 2: Convert to fraction form
   99,793.30/149,754.20 = 39,811.54/x
3. Step 3: Cross multiply
   99,793.30x = 149,754.20 × 39,811.54
4. Step 4: Simplify right side
   99,793.30x = 5,961,945,323.47
5. Step 5: Solve for x
   x = 5,961,945,323.47/99,793.30
6. Step 6: Final answer
   x = 59,742.94