Finding the Fourth Proportional to 21,927,265.62, 30,259,259.29 and 12,137,499.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,927,265.62 : 30,259,259.29 = 12,137,499.10 : x
2. Step 2: Convert to fraction form
   21,927,265.62/30,259,259.29 = 12,137,499.10/x
3. Step 3: Cross multiply
   21,927,265.62x = 30,259,259.29 × 12,137,499.10
4. Step 4: Simplify right side
   21,927,265.62x = 367,271,732,399,041.62
5. Step 5: Solve for x
   x = 367,271,732,399,041.62/21,927,265.62
6. Step 6: Final answer
   x = 16,749,545.46