Finding the Fourth Proportional to 13,665,145.47, 20,497,757.10 and 3,950,549.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,665,145.47 : 20,497,757.10 = 3,950,549.31 : x
2. Step 2: Convert to fraction form
   13,665,145.47/20,497,757.10 = 3,950,549.31/x
3. Step 3: Cross multiply
   13,665,145.47x = 20,497,757.10 × 3,950,549.31
4. Step 4: Simplify right side
   13,665,145.47x = 80,977,400,185,982.88
5. Step 5: Solve for x
   x = 80,977,400,185,982.88/13,665,145.47
6. Step 6: Final answer
   x = 5,925,835.21