Finding the Fourth Proportional to 990,077.69, 1,361,054.52 and 851,751.83

Step by Step Solution

1. Step 1: Write the proportion equation
   990,077.69 : 1,361,054.52 = 851,751.83 : x
2. Step 2: Convert to fraction form
   990,077.69/1,361,054.52 = 851,751.83/x
3. Step 3: Cross multiply
   990,077.69x = 1,361,054.52 × 851,751.83
4. Step 4: Simplify right side
   990,077.69x = 1,159,280,678,139.77
5. Step 5: Solve for x
   x = 1,159,280,678,139.77/990,077.69
6. Step 6: Final answer
   x = 1,170,898.70