Finding the Fourth Proportional to 992,356.50, 1,487,155.72 and 518,095.83

Step by Step Solution

1. Step 1: Write the proportion equation
   992,356.50 : 1,487,155.72 = 518,095.83 : x
2. Step 2: Convert to fraction form
   992,356.50/1,487,155.72 = 518,095.83/x
3. Step 3: Cross multiply
   992,356.50x = 1,487,155.72 × 518,095.83
4. Step 4: Simplify right side
   992,356.50x = 770,489,167,066.39
5. Step 5: Solve for x
   x = 770,489,167,066.39/992,356.50
6. Step 6: Final answer
   x = 776,423.77