Finding the Fourth Proportional to 21,952,090, 30,293,884.20 and 12,294,298

Step by Step Solution

1. Step 1: Write the proportion equation
   21,952,090 : 30,293,884.20 = 12,294,298 : x
2. Step 2: Convert to fraction form
   21,952,090/30,293,884.20 = 12,294,298/x
3. Step 3: Cross multiply
   21,952,090x = 30,293,884.20 × 12,294,298
4. Step 4: Simplify right side
   21,952,090x = 372,442,039,932,291.56
5. Step 5: Solve for x
   x = 372,442,039,932,291.56/21,952,090
6. Step 6: Final answer
   x = 16,966,131.24