Finding the Fourth Proportional to 23,047.05, 31,805.53 and 12,975.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,047.05 : 31,805.53 = 12,975.86 : x
2. Step 2: Convert to fraction form
   23,047.05/31,805.53 = 12,975.86/x
3. Step 3: Cross multiply
   23,047.05x = 31,805.53 × 12,975.86
4. Step 4: Simplify right side
   23,047.05x = 412,704,184.81
5. Step 5: Solve for x
   x = 412,704,184.81/23,047.05
6. Step 6: Final answer
   x = 17,907.03