Finding the Fourth Proportional to 108,769.74, 150,103.72 and 81,497.46

Step by Step Solution

1. Step 1: Write the proportion equation
   108,769.74 : 150,103.72 = 81,497.46 : x
2. Step 2: Convert to fraction form
   108,769.74/150,103.72 = 81,497.46/x
3. Step 3: Cross multiply
   108,769.74x = 150,103.72 × 81,497.46
4. Step 4: Simplify right side
   108,769.74x = 12,233,071,916.55
5. Step 5: Solve for x
   x = 12,233,071,916.55/108,769.74
6. Step 6: Final answer
   x = 112,467.60