Finding the Fourth Proportional to 47,678.00, 71,505 and 19,605.89

Step by Step Solution

1. Step 1: Write the proportion equation
   47,678.00 : 71,505 = 19,605.89 : x
2. Step 2: Convert to fraction form
   47,678.00/71,505 = 19,605.89/x
3. Step 3: Cross multiply
   47,678.00x = 71,505 × 19,605.89
4. Step 4: Simplify right side
   47,678.00x = 1,401,918,806.93
5. Step 5: Solve for x
   x = 1,401,918,806.93/47,678.00
6. Step 6: Final answer
   x = 29,403.90