Finding the Fourth Proportional to 367,584.10, 515,667.50 and 367,584.10

Step by Step Solution

1. Step 1: Write the proportion equation
   367,584.10 : 515,667.50 = 367,584.10 : x
2. Step 2: Convert to fraction form
   367,584.10/515,667.50 = 367,584.10/x
3. Step 3: Cross multiply
   367,584.10x = 515,667.50 × 367,584.10
4. Step 4: Simplify right side
   367,584.10x = 189,551,173,886.75
5. Step 5: Solve for x
   x = 189,551,173,886.75/367,584.10
6. Step 6: Final answer
   x = 515,667.50