Finding the Fourth Proportional to 123,444.72, 185,095.80 and 108,683.28

Step by Step Solution

1. Step 1: Write the proportion equation
   123,444.72 : 185,095.80 = 108,683.28 : x
2. Step 2: Convert to fraction form
   123,444.72/185,095.80 = 108,683.28/x
3. Step 3: Cross multiply
   123,444.72x = 185,095.80 × 108,683.28
4. Step 4: Simplify right side
   123,444.72x = 20,116,818,658.22
5. Step 5: Solve for x
   x = 20,116,818,658.22/123,444.72
6. Step 6: Final answer
   x = 162,962.16