Finding the Fourth Proportional to 112,089.42, 167,947.25 and 92,160.38

Step by Step Solution

1. Step 1: Write the proportion equation
   112,089.42 : 167,947.25 = 92,160.38 : x
2. Step 2: Convert to fraction form
   112,089.42/167,947.25 = 92,160.38/x
3. Step 3: Cross multiply
   112,089.42x = 167,947.25 × 92,160.38
4. Step 4: Simplify right side
   112,089.42x = 15,478,082,339.02
5. Step 5: Solve for x
   x = 15,478,082,339.02/112,089.42
6. Step 6: Final answer
   x = 138,086.92