Finding the Fourth Proportional to 11,401.94, 17,108.32 and 7,897.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,401.94 : 17,108.32 = 7,897.34 : x
2. Step 2: Convert to fraction form
   11,401.94/17,108.32 = 7,897.34/x
3. Step 3: Cross multiply
   11,401.94x = 17,108.32 × 7,897.34
4. Step 4: Simplify right side
   11,401.94x = 135,110,219.87
5. Step 5: Solve for x
   x = 135,110,219.87/11,401.94
6. Step 6: Final answer
   x = 11,849.76