Finding the Fourth Proportional to 30,911.04, 42,656.58 and 17,480.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,911.04 : 42,656.58 = 17,480.52 : x
2. Step 2: Convert to fraction form
   30,911.04/42,656.58 = 17,480.52/x
3. Step 3: Cross multiply
   30,911.04x = 42,656.58 × 17,480.52
4. Step 4: Simplify right side
   30,911.04x = 745,659,199.82
5. Step 5: Solve for x
   x = 745,659,199.82/30,911.04
6. Step 6: Final answer
   x = 24,122.75