Finding the Fourth Proportional to 162,989.76, 244,424.52 and 56,346.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,989.76 : 244,424.52 = 56,346.72 : x
2. Step 2: Convert to fraction form
   162,989.76/244,424.52 = 56,346.72/x
3. Step 3: Cross multiply
   162,989.76x = 244,424.52 × 56,346.72
4. Step 4: Simplify right side
   162,989.76x = 13,772,519,989.57
5. Step 5: Solve for x
   x = 13,772,519,989.57/162,989.76
6. Step 6: Final answer
   x = 84,499.30