Finding the Fourth Proportional to 152,011,733.12, 209,770,571.72 and 82,395,619.33

Step by Step Solution

1. Step 1: Write the proportion equation
   152,011,733.12 : 209,770,571.72 = 82,395,619.33 : x
2. Step 2: Convert to fraction form
   152,011,733.12/209,770,571.72 = 82,395,619.33/x
3. Step 3: Cross multiply
   152,011,733.12x = 209,770,571.72 × 82,395,619.33
4. Step 4: Simplify right side
   152,011,733.12x = 17,284,176,172,616,754
5. Step 5: Solve for x
   x = 17,284,176,172,616,754/152,011,733.12
6. Step 6: Final answer
   x = 113,702,908.44