Finding the Fourth Proportional to 86,571.01, 129,870.84 and 30,396.52

Step by Step Solution

1. Step 1: Write the proportion equation
   86,571.01 : 129,870.84 = 30,396.52 : x
2. Step 2: Convert to fraction form
   86,571.01/129,870.84 = 30,396.52/x
3. Step 3: Cross multiply
   86,571.01x = 129,870.84 × 30,396.52
4. Step 4: Simplify right side
   86,571.01x = 3,947,621,585.48
5. Step 5: Solve for x
   x = 3,947,621,585.48/86,571.01
6. Step 6: Final answer
   x = 45,599.81