Finding the Fourth Proportional to 1,556,090,892.27, 2,147,399,010.70 and 841,627,243.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,090,892.27 : 2,147,399,010.70 = 841,627,243.40 : x
2. Step 2: Convert to fraction form
   1,556,090,892.27/2,147,399,010.70 = 841,627,243.40/x
3. Step 3: Cross multiply
   1,556,090,892.27x = 2,147,399,010.70 × 841,627,243.40
4. Step 4: Simplify right side
   1,556,090,892.27x = 1,807,309,509,842,402,816
5. Step 5: Solve for x
   x = 1,807,309,509,842,402,816/1,556,090,892.27
6. Step 6: Final answer
   x = 1,161,442,123.22