Finding the Fourth Proportional to 11,423.21, 17,204.18 and 10,054.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,423.21 : 17,204.18 = 10,054.58 : x
2. Step 2: Convert to fraction form
   11,423.21/17,204.18 = 10,054.58/x
3. Step 3: Cross multiply
   11,423.21x = 17,204.18 × 10,054.58
4. Step 4: Simplify right side
   11,423.21x = 172,980,667.85
5. Step 5: Solve for x
   x = 172,980,667.85/11,423.21
6. Step 6: Final answer
   x = 15,142.92