Finding the Fourth Proportional to 900,621.48, 1,352,477.72 and 799,647.72

Step by Step Solution

1. Step 1: Write the proportion equation
   900,621.48 : 1,352,477.72 = 799,647.72 : x
2. Step 2: Convert to fraction form
   900,621.48/1,352,477.72 = 799,647.72/x
3. Step 3: Cross multiply
   900,621.48x = 1,352,477.72 × 799,647.72
4. Step 4: Simplify right side
   900,621.48x = 1,081,505,725,148.80
5. Step 5: Solve for x
   x = 1,081,505,725,148.80/900,621.48
6. Step 6: Final answer
   x = 1,200,843.81