Finding the Fourth Proportional to 30,886.96, 42,622.35 and 17,457.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,886.96 : 42,622.35 = 17,457.41 : x
2. Step 2: Convert to fraction form
   30,886.96/42,622.35 = 17,457.41/x
3. Step 3: Cross multiply
   30,886.96x = 42,622.35 × 17,457.41
4. Step 4: Simplify right side
   30,886.96x = 744,076,053.32
5. Step 5: Solve for x
   x = 744,076,053.32/30,886.96
6. Step 6: Final answer
   x = 24,090.30