Finding the Fourth Proportional to 11,886.01, 16,401.56 and 7,105.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,886.01 : 16,401.56 = 7,105.01 : x
2. Step 2: Convert to fraction form
   11,886.01/16,401.56 = 7,105.01/x
3. Step 3: Cross multiply
   11,886.01x = 16,401.56 × 7,105.01
4. Step 4: Simplify right side
   11,886.01x = 116,533,130.28
5. Step 5: Solve for x
   x = 116,533,130.28/11,886.01
6. Step 6: Final answer
   x = 9,804.23