Finding the Fourth Proportional to 11,858.01, 17,811.59 and 9,410.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,858.01 : 17,811.59 = 9,410.06 : x
2. Step 2: Convert to fraction form
   11,858.01/17,811.59 = 9,410.06/x
3. Step 3: Cross multiply
   11,858.01x = 17,811.59 × 9,410.06
4. Step 4: Simplify right side
   11,858.01x = 167,607,994.49
5. Step 5: Solve for x
   x = 167,607,994.49/11,858.01
6. Step 6: Final answer
   x = 14,134.58