Finding the Fourth Proportional to 16,909,900.47, 25,354,061.37 and 11,145,979.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,909,900.47 : 25,354,061.37 = 11,145,979.35 : x
2. Step 2: Convert to fraction form
   16,909,900.47/25,354,061.37 = 11,145,979.35/x
3. Step 3: Cross multiply
   16,909,900.47x = 25,354,061.37 × 11,145,979.35
4. Step 4: Simplify right side
   16,909,900.47x = 282,595,844,468,652.69
5. Step 5: Solve for x
   x = 282,595,844,468,652.69/16,909,900.47
6. Step 6: Final answer
   x = 16,711,857.35