Finding the Fourth Proportional to 78,090.37, 117,183.72 and 30,697.14

Step by Step Solution

1. Step 1: Write the proportion equation
   78,090.37 : 117,183.72 = 30,697.14 : x
2. Step 2: Convert to fraction form
   78,090.37/117,183.72 = 30,697.14/x
3. Step 3: Cross multiply
   78,090.37x = 117,183.72 × 30,697.14
4. Step 4: Simplify right side
   78,090.37x = 3,597,205,058.56
5. Step 5: Solve for x
   x = 3,597,205,058.56/78,090.37
6. Step 6: Final answer
   x = 46,064.64