Finding the Fourth Proportional to 30,741.84, 42,423.86 and 17,313.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,741.84 : 42,423.86 = 17,313.12 : x
2. Step 2: Convert to fraction form
   30,741.84/42,423.86 = 17,313.12/x
3. Step 3: Cross multiply
   30,741.84x = 42,423.86 × 17,313.12
4. Step 4: Simplify right side
   30,741.84x = 734,489,379.04
5. Step 5: Solve for x
   x = 734,489,379.04/30,741.84
6. Step 6: Final answer
   x = 23,892.17