Finding the Fourth Proportional to 99,952, 137,933.92 and 55,240

Step by Step Solution

1. Step 1: Write the proportion equation
   99,952 : 137,933.92 = 55,240 : x
2. Step 2: Convert to fraction form
   99,952/137,933.92 = 55,240/x
3. Step 3: Cross multiply
   99,952x = 137,933.92 × 55,240
4. Step 4: Simplify right side
   99,952x = 7,619,469,740.80
5. Step 5: Solve for x
   x = 7,619,469,740.80/99,952
6. Step 6: Final answer
   x = 76,231.29