Finding the Fourth Proportional to 65,245,943.78, 90,036,320.06 and 35,878,514.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,245,943.78 : 90,036,320.06 = 35,878,514.12 : x
2. Step 2: Convert to fraction form
   65,245,943.78/90,036,320.06 = 35,878,514.12/x
3. Step 3: Cross multiply
   65,245,943.78x = 90,036,320.06 × 35,878,514.12
4. Step 4: Simplify right side
   65,245,943.78x = 3,230,369,380,360,919.50
5. Step 5: Solve for x
   x = 3,230,369,380,360,919.50/65,245,943.78
6. Step 6: Final answer
   x = 49,510,654.51