Finding the Fourth Proportional to 2,667,188,582.59, 3,999,232,082.79 and 1,009,223,945.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667,188,582.59 : 3,999,232,082.79 = 1,009,223,945.12 : x
2. Step 2: Convert to fraction form
   2,667,188,582.59/3,999,232,082.79 = 1,009,223,945.12/x
3. Step 3: Cross multiply
   2,667,188,582.59x = 3,999,232,082.79 × 1,009,223,945.12
4. Step 4: Simplify right side
   2,667,188,582.59x = 4,036,120,780,023,801,856
5. Step 5: Solve for x
   x = 4,036,120,780,023,801,856/2,667,188,582.59
6. Step 6: Final answer
   x = 1,513,249,121.71