Finding the Fourth Proportional to 109,155,514.75, 150,702,591.83 and 69,485,428.80

Step by Step Solution

1. Step 1: Write the proportion equation
   109,155,514.75 : 150,702,591.83 = 69,485,428.80 : x
2. Step 2: Convert to fraction form
   109,155,514.75/150,702,591.83 = 69,485,428.80/x
3. Step 3: Cross multiply
   109,155,514.75x = 150,702,591.83 × 69,485,428.80
4. Step 4: Simplify right side
   109,155,514.75x = 10,471,634,214,231,498
5. Step 5: Solve for x
   x = 10,471,634,214,231,498/109,155,514.75
6. Step 6: Final answer
   x = 95,933,166.90