Finding the Fourth Proportional to 30,547.86, 42,155.61 and 17,119.35

Step by Step Solution

1. Step 1: Write the proportion equation
   30,547.86 : 42,155.61 = 17,119.35 : x
2. Step 2: Convert to fraction form
   30,547.86/42,155.61 = 17,119.35/x
3. Step 3: Cross multiply
   30,547.86x = 42,155.61 × 17,119.35
4. Step 4: Simplify right side
   30,547.86x = 721,676,642.05
5. Step 5: Solve for x
   x = 721,676,642.05/30,547.86
6. Step 6: Final answer
   x = 23,624.46