Finding the Fourth Proportional to 89,646,007.12, 123,768,609.60 and 73,165,443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,646,007.12 : 123,768,609.60 = 73,165,443.52 : x
2. Step 2: Convert to fraction form
   89,646,007.12/123,768,609.60 = 73,165,443.52/x
3. Step 3: Cross multiply
   89,646,007.12x = 123,768,609.60 × 73,165,443.52
4. Step 4: Simplify right side
   89,646,007.12x = 9,055,585,215,237,728
5. Step 5: Solve for x
   x = 9,055,585,215,237,728/89,646,007.12
6. Step 6: Final answer
   x = 101,014,930.91