Finding the Fourth Proportional to 30,483.81, 42,068.97 and 17,055.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,483.81 : 42,068.97 = 17,055.09 : x
2. Step 2: Convert to fraction form
   30,483.81/42,068.97 = 17,055.09/x
3. Step 3: Cross multiply
   30,483.81x = 42,068.97 × 17,055.09
4. Step 4: Simplify right side
   30,483.81x = 717,490,069.56
5. Step 5: Solve for x
   x = 717,490,069.56/30,483.81
6. Step 6: Final answer
   x = 23,536.76