Finding the Fourth Proportional to 83,556.37, 115,333.61 and 53,748.37

Step by Step Solution

1. Step 1: Write the proportion equation
   83,556.37 : 115,333.61 = 53,748.37 : x
2. Step 2: Convert to fraction form
   83,556.37/115,333.61 = 53,748.37/x
3. Step 3: Cross multiply
   83,556.37x = 115,333.61 × 53,748.37
4. Step 4: Simplify right side
   83,556.37x = 6,198,993,543.72
5. Step 5: Solve for x
   x = 6,198,993,543.72/83,556.37
6. Step 6: Final answer
   x = 74,189.36