Finding the Fourth Proportional to 112,406.52, 168,605.78 and 28,167.38

Step by Step Solution

1. Step 1: Write the proportion equation
   112,406.52 : 168,605.78 = 28,167.38 : x
2. Step 2: Convert to fraction form
   112,406.52/168,605.78 = 28,167.38/x
3. Step 3: Cross multiply
   112,406.52x = 168,605.78 × 28,167.38
4. Step 4: Simplify right side
   112,406.52x = 4,749,183,075.46
5. Step 5: Solve for x
   x = 4,749,183,075.46/112,406.52
6. Step 6: Final answer
   x = 42,250.07