Finding the Fourth Proportional to 2,235,597,609.72, 3,085,034,879.79 and 1,218,301,434

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235,597,609.72 : 3,085,034,879.79 = 1,218,301,434 : x
2. Step 2: Convert to fraction form
   2,235,597,609.72/3,085,034,879.79 = 1,218,301,434/x
3. Step 3: Cross multiply
   2,235,597,609.72x = 3,085,034,879.79 × 1,218,301,434
4. Step 4: Simplify right side
   2,235,597,609.72x = 3,758,502,417,988,174,336
5. Step 5: Solve for x
   x = 3,758,502,417,988,174,336/2,235,597,609.72
6. Step 6: Final answer
   x = 1,681,207,030.12