Finding the Fourth Proportional to 112,907.52, 155,819.27 and 65,163.94

Step by Step Solution

1. Step 1: Write the proportion equation
   112,907.52 : 155,819.27 = 65,163.94 : x
2. Step 2: Convert to fraction form
   112,907.52/155,819.27 = 65,163.94/x
3. Step 3: Cross multiply
   112,907.52x = 155,819.27 × 65,163.94
4. Step 4: Simplify right side
   112,907.52x = 10,153,797,918.81
5. Step 5: Solve for x
   x = 10,153,797,918.81/112,907.52
6. Step 6: Final answer
   x = 89,930.22