Finding the Fourth Proportional to 2,108,231,666.07, 2,907,663,288.96 and 1,853,368,086.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,231,666.07 : 2,907,663,288.96 = 1,853,368,086.54 : x
2. Step 2: Convert to fraction form
   2,108,231,666.07/2,907,663,288.96 = 1,853,368,086.54/x
3. Step 3: Cross multiply
   2,108,231,666.07x = 2,907,663,288.96 × 1,853,368,086.54
4. Step 4: Simplify right side
   2,108,231,666.07x = 5,388,970,346,162,398,208
5. Step 5: Solve for x
   x = 5,388,970,346,162,398,208/2,108,231,666.07
6. Step 6: Final answer
   x = 2,556,156,627.80