Finding the Fourth Proportional to 111,313,015.86, 153,548,140.85 and 69,424,357.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,313,015.86 : 153,548,140.85 = 69,424,357.30 : x
2. Step 2: Convert to fraction form
   111,313,015.86/153,548,140.85 = 69,424,357.30/x
3. Step 3: Cross multiply
   111,313,015.86x = 153,548,140.85 × 69,424,357.30
4. Step 4: Simplify right side
   111,313,015.86x = 10,659,980,993,082,404
5. Step 5: Solve for x
   x = 10,659,980,993,082,404/111,313,015.86
6. Step 6: Final answer
   x = 95,765,808.79