Finding the Fourth Proportional to 1,089,173, 1,501,483.06 and 721,033.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,173 : 1,501,483.06 = 721,033.24 : x
2. Step 2: Convert to fraction form
   1,089,173/1,501,483.06 = 721,033.24/x
3. Step 3: Cross multiply
   1,089,173x = 1,501,483.06 × 721,033.24
4. Step 4: Simplify right side
   1,089,173x = 1,082,619,195,556.91
5. Step 5: Solve for x
   x = 1,082,619,195,556.91/1,089,173
6. Step 6: Final answer
   x = 993,982.77