Finding the Fourth Proportional to 162,164.33, 223,663.63 and 139,541.23

Step by Step Solution

1. Step 1: Write the proportion equation
   162,164.33 : 223,663.63 = 139,541.23 : x
2. Step 2: Convert to fraction form
   162,164.33/223,663.63 = 139,541.23/x
3. Step 3: Cross multiply
   162,164.33x = 223,663.63 × 139,541.23
4. Step 4: Simplify right side
   162,164.33x = 31,210,298,228.83
5. Step 5: Solve for x
   x = 31,210,298,228.83/162,164.33
6. Step 6: Final answer
   x = 192,460.93