Finding the Fourth Proportional to 162,322.89, 243,498.12 and 42,395.73

Step by Step Solution

1. Step 1: Write the proportion equation
   162,322.89 : 243,498.12 = 42,395.73 : x
2. Step 2: Convert to fraction form
   162,322.89/243,498.12 = 42,395.73/x
3. Step 3: Cross multiply
   162,322.89x = 243,498.12 × 42,395.73
4. Step 4: Simplify right side
   162,322.89x = 10,323,280,551.03
5. Step 5: Solve for x
   x = 10,323,280,551.03/162,322.89
6. Step 6: Final answer
   x = 63,597.20