Finding the Fourth Proportional to 30,566.04, 42,174.72 and 19,971.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,566.04 : 42,174.72 = 19,971.24 : x
2. Step 2: Convert to fraction form
   30,566.04/42,174.72 = 19,971.24/x
3. Step 3: Cross multiply
   30,566.04x = 42,174.72 × 19,971.24
4. Step 4: Simplify right side
   30,566.04x = 842,281,455.05
5. Step 5: Solve for x
   x = 842,281,455.05/30,566.04
6. Step 6: Final answer
   x = 27,556.12