Finding the Fourth Proportional to 162,707.31, 244,308.87 and 154,688.31

Step by Step Solution

1. Step 1: Write the proportion equation
   162,707.31 : 244,308.87 = 154,688.31 : x
2. Step 2: Convert to fraction form
   162,707.31/244,308.87 = 154,688.31/x
3. Step 3: Cross multiply
   162,707.31x = 244,308.87 × 154,688.31
4. Step 4: Simplify right side
   162,707.31x = 37,791,726,218.31
5. Step 5: Solve for x
   x = 37,791,726,218.31/162,707.31
6. Step 6: Final answer
   x = 232,268.15