Finding the Fourth Proportional to 30,889.86, 42,628.38 and 17,461.07

Step by Step Solution

1. Step 1: Write the proportion equation
   30,889.86 : 42,628.38 = 17,461.07 : x
2. Step 2: Convert to fraction form
   30,889.86/42,628.38 = 17,461.07/x
3. Step 3: Cross multiply
   30,889.86x = 42,628.38 × 17,461.07
4. Step 4: Simplify right side
   30,889.86x = 744,337,008.40
5. Step 5: Solve for x
   x = 744,337,008.40/30,889.86
6. Step 6: Final answer
   x = 24,096.49