Finding the Fourth Proportional to 82,209.50, 113,448.52 and 46,399.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,209.50 : 113,448.52 = 46,399.20 : x
2. Step 2: Convert to fraction form
   82,209.50/113,448.52 = 46,399.20/x
3. Step 3: Cross multiply
   82,209.50x = 113,448.52 × 46,399.20
4. Step 4: Simplify right side
   82,209.50x = 5,263,920,569.18
5. Step 5: Solve for x
   x = 5,263,920,569.18/82,209.50
6. Step 6: Final answer
   x = 64,030.56