Finding the Fourth Proportional to 21,875,943.30, 30,189,118.56 and 12,086,613

Step by Step Solution

1. Step 1: Write the proportion equation
   21,875,943.30 : 30,189,118.56 = 12,086,613 : x
2. Step 2: Convert to fraction form
   21,875,943.30/30,189,118.56 = 12,086,613/x
3. Step 3: Cross multiply
   21,875,943.30x = 30,189,118.56 × 12,086,613
4. Step 4: Simplify right side
   21,875,943.30x = 364,884,192,845,837.25
5. Step 5: Solve for x
   x = 364,884,192,845,837.25/21,875,943.30
6. Step 6: Final answer
   x = 16,679,700.98