Finding the Fourth Proportional to 108,339.72, 162,374.28 and 74,792.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,339.72 : 162,374.28 = 74,792.56 : x
2. Step 2: Convert to fraction form
   108,339.72/162,374.28 = 74,792.56/x
3. Step 3: Cross multiply
   108,339.72x = 162,374.28 × 74,792.56
4. Step 4: Simplify right side
   108,339.72x = 12,144,388,079.36
5. Step 5: Solve for x
   x = 12,144,388,079.36/108,339.72
6. Step 6: Final answer
   x = 112,095.44