Finding the Fourth Proportional to 30,741.09, 42,422.72 and 17,312.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,741.09 : 42,422.72 = 17,312.46 : x
2. Step 2: Convert to fraction form
   30,741.09/42,422.72 = 17,312.46/x
3. Step 3: Cross multiply
   30,741.09x = 42,422.72 × 17,312.46
4. Step 4: Simplify right side
   30,741.09x = 734,441,556.53
5. Step 5: Solve for x
   x = 734,441,556.53/30,741.09
6. Step 6: Final answer
   x = 23,891.20