Finding the Fourth Proportional to 162,111.41, 223,712.88 and 94,145.09

Step by Step Solution

1. Step 1: Write the proportion equation
   162,111.41 : 223,712.88 = 94,145.09 : x
2. Step 2: Convert to fraction form
   162,111.41/223,712.88 = 94,145.09/x
3. Step 3: Cross multiply
   162,111.41x = 223,712.88 × 94,145.09
4. Step 4: Simplify right side
   162,111.41x = 21,061,468,103.19
5. Step 5: Solve for x
   x = 21,061,468,103.19/162,111.41
6. Step 6: Final answer
   x = 129,919.72