Finding the Fourth Proportional to 34,499.76, 47,608.56 and 21,066.16

Step by Step Solution

1. Step 1: Write the proportion equation
   34,499.76 : 47,608.56 = 21,066.16 : x
2. Step 2: Convert to fraction form
   34,499.76/47,608.56 = 21,066.16/x
3. Step 3: Cross multiply
   34,499.76x = 47,608.56 × 21,066.16
4. Step 4: Simplify right side
   34,499.76x = 1,002,929,542.33
5. Step 5: Solve for x
   x = 1,002,929,542.33/34,499.76
6. Step 6: Final answer
   x = 29,070.62