Finding the Fourth Proportional to 16,997.63, 25,505.17 and 7,009.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,997.63 : 25,505.17 = 7,009.74 : x
2. Step 2: Convert to fraction form
   16,997.63/25,505.17 = 7,009.74/x
3. Step 3: Cross multiply
   16,997.63x = 25,505.17 × 7,009.74
4. Step 4: Simplify right side
   16,997.63x = 178,784,592.83
5. Step 5: Solve for x
   x = 178,784,592.83/16,997.63
6. Step 6: Final answer
   x = 10,518.21