Finding the Fourth Proportional to 1,074,621.72, 1,483,973.82 and 693,303.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,621.72 : 1,483,973.82 = 693,303.96 : x
2. Step 2: Convert to fraction form
   1,074,621.72/1,483,973.82 = 693,303.96/x
3. Step 3: Cross multiply
   1,074,621.72x = 1,483,973.82 × 693,303.96
4. Step 4: Simplify right side
   1,074,621.72x = 1,028,844,925,942.33
5. Step 5: Solve for x
   x = 1,028,844,925,942.33/1,074,621.72
6. Step 6: Final answer
   x = 957,401.95