Finding the Fourth Proportional to 1,002,518,404.08, 1,504,085,481.06 and 478,556,108.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,518,404.08 : 1,504,085,481.06 = 478,556,108.16 : x
2. Step 2: Convert to fraction form
   1,002,518,404.08/1,504,085,481.06 = 478,556,108.16/x
3. Step 3: Cross multiply
   1,002,518,404.08x = 1,504,085,481.06 × 478,556,108.16
4. Step 4: Simplify right side
   1,002,518,404.08x = 719,789,294,156,034,944
5. Step 5: Solve for x
   x = 719,789,294,156,034,944/1,002,518,404.08
6. Step 6: Final answer
   x = 717,981,127.56