Finding the Fourth Proportional to 302,404.10, 453,606.15 and 302,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   302,404.10 : 453,606.15 = 302,404.10 : x
2. Step 2: Convert to fraction form
   302,404.10/453,606.15 = 302,404.10/x
3. Step 3: Cross multiply
   302,404.10x = 453,606.15 × 302,404.10
4. Step 4: Simplify right side
   302,404.10x = 137,172,359,545.22
5. Step 5: Solve for x
   x = 137,172,359,545.22/302,404.10
6. Step 6: Final answer
   x = 453,606.15