Finding the Fourth Proportional to 367,047.55, 515,047.55 and 367,047.55

Step by Step Solution

1. Step 1: Write the proportion equation
   367,047.55 : 515,047.55 = 367,047.55 : x
2. Step 2: Convert to fraction form
   367,047.55/515,047.55 = 367,047.55/x
3. Step 3: Cross multiply
   367,047.55x = 515,047.55 × 367,047.55
4. Step 4: Simplify right side
   367,047.55x = 189,046,941,361.00
5. Step 5: Solve for x
   x = 189,046,941,361.00/367,047.55
6. Step 6: Final answer
   x = 515,047.55