Finding the Fourth Proportional to 59,185.38, 81,562.77 and 42,389.22

Step by Step Solution

1. Step 1: Write the proportion equation
   59,185.38 : 81,562.77 = 42,389.22 : x
2. Step 2: Convert to fraction form
   59,185.38/81,562.77 = 42,389.22/x
3. Step 3: Cross multiply
   59,185.38x = 81,562.77 × 42,389.22
4. Step 4: Simplify right side
   59,185.38x = 3,457,382,201.34
5. Step 5: Solve for x
   x = 3,457,382,201.34/59,185.38
6. Step 6: Final answer
   x = 58,416.15