Finding the Fourth Proportional to 714,468.98, 985,967.69 and 387,782.00

Step by Step Solution

1. Step 1: Write the proportion equation
   714,468.98 : 985,967.69 = 387,782.00 : x
2. Step 2: Convert to fraction form
   714,468.98/985,967.69 = 387,782.00/x
3. Step 3: Cross multiply
   714,468.98x = 985,967.69 × 387,782.00
4. Step 4: Simplify right side
   714,468.98x = 382,340,515,894.83
5. Step 5: Solve for x
   x = 382,340,515,894.83/714,468.98
6. Step 6: Final answer
   x = 535,139.42