Finding the Fourth Proportional to 86,564.01, 129,839.53 and 30,404.62

Step by Step Solution

1. Step 1: Write the proportion equation
   86,564.01 : 129,839.53 = 30,404.62 : x
2. Step 2: Convert to fraction form
   86,564.01/129,839.53 = 30,404.62/x
3. Step 3: Cross multiply
   86,564.01x = 129,839.53 × 30,404.62
4. Step 4: Simplify right side
   86,564.01x = 3,947,721,069.09
5. Step 5: Solve for x
   x = 3,947,721,069.09/86,564.01
6. Step 6: Final answer
   x = 45,604.65