Finding the Fourth Proportional to 13,094.43, 18,070.17 and 7,126.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,094.43 : 18,070.17 = 7,126.05 : x
2. Step 2: Convert to fraction form
   13,094.43/18,070.17 = 7,126.05/x
3. Step 3: Cross multiply
   13,094.43x = 18,070.17 × 7,126.05
4. Step 4: Simplify right side
   13,094.43x = 128,768,934.93
5. Step 5: Solve for x
   x = 128,768,934.93/13,094.43
6. Step 6: Final answer
   x = 9,833.87