Finding the Fourth Proportional to 162,019.42, 243,028.44 and 43,702.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,019.42 : 243,028.44 = 43,702.72 : x
2. Step 2: Convert to fraction form
   162,019.42/243,028.44 = 43,702.72/x
3. Step 3: Cross multiply
   162,019.42x = 243,028.44 × 43,702.72
4. Step 4: Simplify right side
   162,019.42x = 10,621,003,865.36
5. Step 5: Solve for x
   x = 10,621,003,865.36/162,019.42
6. Step 6: Final answer
   x = 65,553.89