Finding the Fourth Proportional to 115,150,723.43, 158,907,768.17 and 65,591,078.09

Step by Step Solution

1. Step 1: Write the proportion equation
   115,150,723.43 : 158,907,768.17 = 65,591,078.09 : x
2. Step 2: Convert to fraction form
   115,150,723.43/158,907,768.17 = 65,591,078.09/x
3. Step 3: Cross multiply
   115,150,723.43x = 158,907,768.17 × 65,591,078.09
4. Step 4: Simplify right side
   115,150,723.43x = 10,422,931,830,023,592
5. Step 5: Solve for x
   x = 10,422,931,830,023,592/115,150,723.43
6. Step 6: Final answer
   x = 90,515,556.65