Finding the Fourth Proportional to 112,034.72, 167,929.82 and 55,147.78

Step by Step Solution

1. Step 1: Write the proportion equation
   112,034.72 : 167,929.82 = 55,147.78 : x
2. Step 2: Convert to fraction form
   112,034.72/167,929.82 = 55,147.78/x
3. Step 3: Cross multiply
   112,034.72x = 167,929.82 × 55,147.78
4. Step 4: Simplify right side
   112,034.72x = 9,260,956,122.61
5. Step 5: Solve for x
   x = 9,260,956,122.61/112,034.72
6. Step 6: Final answer
   x = 82,661.48