Finding the Fourth Proportional to 96,505.83, 144,646.83 and 57,096.09

Step by Step Solution

1. Step 1: Write the proportion equation
   96,505.83 : 144,646.83 = 57,096.09 : x
2. Step 2: Convert to fraction form
   96,505.83/144,646.83 = 57,096.09/x
3. Step 3: Cross multiply
   96,505.83x = 144,646.83 × 57,096.09
4. Step 4: Simplify right side
   96,505.83x = 8,258,768,423.89
5. Step 5: Solve for x
   x = 8,258,768,423.89/96,505.83
6. Step 6: Final answer
   x = 85,577.92