Finding the Fourth Proportional to 30,554.69, 42,164.89 and 17,126.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,554.69 : 42,164.89 = 17,126.10 : x
2. Step 2: Convert to fraction form
   30,554.69/42,164.89 = 17,126.10/x
3. Step 3: Cross multiply
   30,554.69x = 42,164.89 × 17,126.10
4. Step 4: Simplify right side
   30,554.69x = 722,120,079.81
5. Step 5: Solve for x
   x = 722,120,079.81/30,554.69
6. Step 6: Final answer
   x = 23,633.69