Finding the Fourth Proportional to 162,236.63, 243,368.83 and 42,309.53

Step by Step Solution

1. Step 1: Write the proportion equation
   162,236.63 : 243,368.83 = 42,309.53 : x
2. Step 2: Convert to fraction form
   162,236.63/243,368.83 = 42,309.53/x
3. Step 3: Cross multiply
   162,236.63x = 243,368.83 × 42,309.53
4. Step 4: Simplify right side
   162,236.63x = 10,296,820,101.39
5. Step 5: Solve for x
   x = 10,296,820,101.39/162,236.63
6. Step 6: Final answer
   x = 63,467.91