Finding the Fourth Proportional to 111,856.43, 167,784.68 and 92,093.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111,856.43 : 167,784.68 = 92,093.48 : x
2. Step 2: Convert to fraction form
   111,856.43/167,784.68 = 92,093.48/x
3. Step 3: Cross multiply
   111,856.43x = 167,784.68 × 92,093.48
4. Step 4: Simplify right side
   111,856.43x = 15,451,875,071.89
5. Step 5: Solve for x
   x = 15,451,875,071.89/111,856.43
6. Step 6: Final answer
   x = 138,140.25