Finding the Fourth Proportional to 128,498.34, 177,162.54 and 83,096.22

Step by Step Solution

1. Step 1: Write the proportion equation
   128,498.34 : 177,162.54 = 83,096.22 : x
2. Step 2: Convert to fraction form
   128,498.34/177,162.54 = 83,096.22/x
3. Step 3: Cross multiply
   128,498.34x = 177,162.54 × 83,096.22
4. Step 4: Simplify right side
   128,498.34x = 14,721,537,399.60
5. Step 5: Solve for x
   x = 14,721,537,399.60/128,498.34
6. Step 6: Final answer
   x = 114,565.97