Finding the Fourth Proportional to 76,826.72, 115,255.68 and 32,453.60

Step by Step Solution

1. Step 1: Write the proportion equation
   76,826.72 : 115,255.68 = 32,453.60 : x
2. Step 2: Convert to fraction form
   76,826.72/115,255.68 = 32,453.60/x
3. Step 3: Cross multiply
   76,826.72x = 115,255.68 × 32,453.60
4. Step 4: Simplify right side
   76,826.72x = 3,740,461,736.45
5. Step 5: Solve for x
   x = 3,740,461,736.45/76,826.72
6. Step 6: Final answer
   x = 48,686.99