Finding the Fourth Proportional to 86,574.01, 129,875.34 and 30,399.52

Step by Step Solution

1. Step 1: Write the proportion equation
   86,574.01 : 129,875.34 = 30,399.52 : x
2. Step 2: Convert to fraction form
   86,574.01/129,875.34 = 30,399.52/x
3. Step 3: Cross multiply
   86,574.01x = 129,875.34 × 30,399.52
4. Step 4: Simplify right side
   86,574.01x = 3,948,147,995.84
5. Step 5: Solve for x
   x = 3,948,147,995.84/86,574.01
6. Step 6: Final answer
   x = 45,604.31