Finding the Fourth Proportional to 11,923.74, 16,443.27 and 7,670.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,923.74 : 16,443.27 = 7,670.43 : x
2. Step 2: Convert to fraction form
   11,923.74/16,443.27 = 7,670.43/x
3. Step 3: Cross multiply
   11,923.74x = 16,443.27 × 7,670.43
4. Step 4: Simplify right side
   11,923.74x = 126,126,951.51
5. Step 5: Solve for x
   x = 126,126,951.51/11,923.74
6. Step 6: Final answer
   x = 10,577.80