Finding the Fourth Proportional to 152,455,123.97, 210,389,399.82 and 82,840,504.62

Step by Step Solution

1. Step 1: Write the proportion equation
   152,455,123.97 : 210,389,399.82 = 82,840,504.62 : x
2. Step 2: Convert to fraction form
   152,455,123.97/210,389,399.82 = 82,840,504.62/x
3. Step 3: Cross multiply
   152,455,123.97x = 210,389,399.82 × 82,840,504.62
4. Step 4: Simplify right side
   152,455,123.97x = 17,428,764,047,787,738
5. Step 5: Solve for x
   x = 17,428,764,047,787,738/152,455,123.97
6. Step 6: Final answer
   x = 114,320,618.39