Finding the Fourth Proportional to 10,078.03, 15,141.46 and 8,897.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.03 : 15,141.46 = 8,897.05 : x
2. Step 2: Convert to fraction form
   10,078.03/15,141.46 = 8,897.05/x
3. Step 3: Cross multiply
   10,078.03x = 15,141.46 × 8,897.05
4. Step 4: Simplify right side
   10,078.03x = 134,714,326.69
5. Step 5: Solve for x
   x = 134,714,326.69/10,078.03
6. Step 6: Final answer
   x = 13,367.13