Finding the Fourth Proportional to 82,256.16, 113,507.28 and 46,441.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,256.16 : 113,507.28 = 46,441.20 : x
2. Step 2: Convert to fraction form
   82,256.16/113,507.28 = 46,441.20/x
3. Step 3: Cross multiply
   82,256.16x = 113,507.28 × 46,441.20
4. Step 4: Simplify right side
   82,256.16x = 5,271,414,291.94
5. Step 5: Solve for x
   x = 5,271,414,291.94/82,256.16
6. Step 6: Final answer
   x = 64,085.34