Finding the Fourth Proportional to 162,009.02, 243,020.89 and 49,681.02

Step by Step Solution

1. Step 1: Write the proportion equation
   162,009.02 : 243,020.89 = 49,681.02 : x
2. Step 2: Convert to fraction form
   162,009.02/243,020.89 = 49,681.02/x
3. Step 3: Cross multiply
   162,009.02x = 243,020.89 × 49,681.02
4. Step 4: Simplify right side
   162,009.02x = 12,073,525,696.51
5. Step 5: Solve for x
   x = 12,073,525,696.51/162,009.02
6. Step 6: Final answer
   x = 74,523.79