Finding the Fourth Proportional to 162,535.37, 243,742.42 and 55,889.15

Step by Step Solution

1. Step 1: Write the proportion equation
   162,535.37 : 243,742.42 = 55,889.15 : x
2. Step 2: Convert to fraction form
   162,535.37/243,742.42 = 55,889.15/x
3. Step 3: Cross multiply
   162,535.37x = 243,742.42 × 55,889.15
4. Step 4: Simplify right side
   162,535.37x = 13,622,557,142.38
5. Step 5: Solve for x
   x = 13,622,557,142.38/162,535.37
6. Step 6: Final answer
   x = 83,812.88