Finding the Fourth Proportional to 113,556.52, 170,407.68 and 76,158.84

Step by Step Solution

1. Step 1: Write the proportion equation
   113,556.52 : 170,407.68 = 76,158.84 : x
2. Step 2: Convert to fraction form
   113,556.52/170,407.68 = 76,158.84/x
3. Step 3: Cross multiply
   113,556.52x = 170,407.68 × 76,158.84
4. Step 4: Simplify right side
   113,556.52x = 12,978,051,235.89
5. Step 5: Solve for x
   x = 12,978,051,235.89/113,556.52
6. Step 6: Final answer
   x = 114,287.15