Finding the Fourth Proportional to 82,405.72, 113,715.12 and 46,603.24

Step by Step Solution

1. Step 1: Write the proportion equation
   82,405.72 : 113,715.12 = 46,603.24 : x
2. Step 2: Convert to fraction form
   82,405.72/113,715.12 = 46,603.24/x
3. Step 3: Cross multiply
   82,405.72x = 113,715.12 × 46,603.24
4. Step 4: Simplify right side
   82,405.72x = 5,299,493,028.99
5. Step 5: Solve for x
   x = 5,299,493,028.99/82,405.72
6. Step 6: Final answer
   x = 64,309.77