Finding the Fourth Proportional to 30,890.31, 42,628.17 and 17,461.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,890.31 : 42,628.17 = 17,461.09 : x
2. Step 2: Convert to fraction form
   30,890.31/42,628.17 = 17,461.09/x
3. Step 3: Cross multiply
   30,890.31x = 42,628.17 × 17,461.09
4. Step 4: Simplify right side
   30,890.31x = 744,334,225.60
5. Step 5: Solve for x
   x = 744,334,225.60/30,890.31
6. Step 6: Final answer
   x = 24,096.04