Finding the Fourth Proportional to 64,495.83, 96,629.17 and 55,039.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,495.83 : 96,629.17 = 55,039.89 : x
2. Step 2: Convert to fraction form
   64,495.83/96,629.17 = 55,039.89/x
3. Step 3: Cross multiply
   64,495.83x = 96,629.17 × 55,039.89
4. Step 4: Simplify right side
   64,495.83x = 5,318,458,887.59
5. Step 5: Solve for x
   x = 5,318,458,887.59/64,495.83
6. Step 6: Final answer
   x = 82,462.06