Finding the Fourth Proportional to 42,505.72, 58,623 and 37,729.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,505.72 : 58,623 = 37,729.16 : x
2. Step 2: Convert to fraction form
   42,505.72/58,623 = 37,729.16/x
3. Step 3: Cross multiply
   42,505.72x = 58,623 × 37,729.16
4. Step 4: Simplify right side
   42,505.72x = 2,211,796,546.68
5. Step 5: Solve for x
   x = 2,211,796,546.68/42,505.72
6. Step 6: Final answer
   x = 52,035.27