Finding the Fourth Proportional to 30,835.79, 42,554.16 and 17,407.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,835.79 : 42,554.16 = 17,407.31 : x
2. Step 2: Convert to fraction form
   30,835.79/42,554.16 = 17,407.31/x
3. Step 3: Cross multiply
   30,835.79x = 42,554.16 × 17,407.31
4. Step 4: Simplify right side
   30,835.79x = 740,753,242.14
5. Step 5: Solve for x
   x = 740,753,242.14/30,835.79
6. Step 6: Final answer
   x = 24,022.52