Finding the Fourth Proportional to 59,183.30, 81,654 and 42,190.58

Step by Step Solution

1. Step 1: Write the proportion equation
   59,183.30 : 81,654 = 42,190.58 : x
2. Step 2: Convert to fraction form
   59,183.30/81,654 = 42,190.58/x
3. Step 3: Cross multiply
   59,183.30x = 81,654 × 42,190.58
4. Step 4: Simplify right side
   59,183.30x = 3,445,029,619.32
5. Step 5: Solve for x
   x = 3,445,029,619.32/59,183.30
6. Step 6: Final answer
   x = 58,209.49