Finding the Fourth Proportional to 11,830.89, 16,326.03 and 7,859.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,830.89 : 16,326.03 = 7,859.25 : x
2. Step 2: Convert to fraction form
   11,830.89/16,326.03 = 7,859.25/x
3. Step 3: Cross multiply
   11,830.89x = 16,326.03 × 7,859.25
4. Step 4: Simplify right side
   11,830.89x = 128,310,351.28
5. Step 5: Solve for x
   x = 128,310,351.28/11,830.89
6. Step 6: Final answer
   x = 10,845.37