Finding the Fourth Proportional to 162,536.37, 243,743.92 and 55,890.15

Step by Step Solution

1. Step 1: Write the proportion equation
   162,536.37 : 243,743.92 = 55,890.15 : x
2. Step 2: Convert to fraction form
   162,536.37/243,743.92 = 55,890.15/x
3. Step 3: Cross multiply
   162,536.37x = 243,743.92 × 55,890.15
4. Step 4: Simplify right side
   162,536.37x = 13,622,884,250.39
5. Step 5: Solve for x
   x = 13,622,884,250.39/162,536.37
6. Step 6: Final answer
   x = 83,814.37