Finding the Fourth Proportional to 96,788.68, 145,203.54 and 34,459

Step by Step Solution

1. Step 1: Write the proportion equation
   96,788.68 : 145,203.54 = 34,459 : x
2. Step 2: Convert to fraction form
   96,788.68/145,203.54 = 34,459/x
3. Step 3: Cross multiply
   96,788.68x = 145,203.54 × 34,459
4. Step 4: Simplify right side
   96,788.68x = 5,003,568,784.86
5. Step 5: Solve for x
   x = 5,003,568,784.86/96,788.68
6. Step 6: Final answer
   x = 51,695.81