Finding the Fourth Proportional to 304,404.20, 427,099 and 304,404.20

Step by Step Solution

1. Step 1: Write the proportion equation
   304,404.20 : 427,099 = 304,404.20 : x
2. Step 2: Convert to fraction form
   304,404.20/427,099 = 304,404.20/x
3. Step 3: Cross multiply
   304,404.20x = 427,099 × 304,404.20
4. Step 4: Simplify right side
   304,404.20x = 130,010,729,415.80
5. Step 5: Solve for x
   x = 130,010,729,415.80/304,404.20
6. Step 6: Final answer
   x = 427,099