Finding the Fourth Proportional to 12,884.86, 17,799.51 and 10,076.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,884.86 : 17,799.51 = 10,076.86 : x
2. Step 2: Convert to fraction form
   12,884.86/17,799.51 = 10,076.86/x
3. Step 3: Cross multiply
   12,884.86x = 17,799.51 × 10,076.86
4. Step 4: Simplify right side
   12,884.86x = 179,363,170.34
5. Step 5: Solve for x
   x = 179,363,170.34/12,884.86
6. Step 6: Final answer
   x = 13,920.46