Finding the Fourth Proportional to 314,928,404.10, 472,392,606.15 and 302,173,820.10

Step by Step Solution

1. Step 1: Write the proportion equation
   314,928,404.10 : 472,392,606.15 = 302,173,820.10 : x
2. Step 2: Convert to fraction form
   314,928,404.10/472,392,606.15 = 302,173,820.10/x
3. Step 3: Cross multiply
   314,928,404.10x = 472,392,606.15 × 302,173,820.10
4. Step 4: Simplify right side
   314,928,404.10x = 142,744,678,387,340,256
5. Step 5: Solve for x
   x = 142,744,678,387,340,256/314,928,404.10
6. Step 6: Final answer
   x = 453,260,730.15