Finding the Fourth Proportional to 858,063,752.82, 1,287,107,586.63 and 244,647,978.57

Step by Step Solution

1. Step 1: Write the proportion equation
   858,063,752.82 : 1,287,107,586.63 = 244,647,978.57 : x
2. Step 2: Convert to fraction form
   858,063,752.82/1,287,107,586.63 = 244,647,978.57/x
3. Step 3: Cross multiply
   858,063,752.82x = 1,287,107,586.63 × 244,647,978.57
4. Step 4: Simplify right side
   858,063,752.82x = 314,888,269,271,140,672
5. Step 5: Solve for x
   x = 314,888,269,271,140,672/858,063,752.82
6. Step 6: Final answer
   x = 366,975,377.10