Finding the Fourth Proportional to 39,090.56, 58,650.60 and 23,519.12

Step by Step Solution

1. Step 1: Write the proportion equation
   39,090.56 : 58,650.60 = 23,519.12 : x
2. Step 2: Convert to fraction form
   39,090.56/58,650.60 = 23,519.12/x
3. Step 3: Cross multiply
   39,090.56x = 58,650.60 × 23,519.12
4. Step 4: Simplify right side
   39,090.56x = 1,379,410,499.47
5. Step 5: Solve for x
   x = 1,379,410,499.47/39,090.56
6. Step 6: Final answer
   x = 35,287.56