Finding the Fourth Proportional to 694,959.24, 958,941.72 and 389,019.72

Step by Step Solution

1. Step 1: Write the proportion equation
   694,959.24 : 958,941.72 = 389,019.72 : x
2. Step 2: Convert to fraction form
   694,959.24/958,941.72 = 389,019.72/x
3. Step 3: Cross multiply
   694,959.24x = 958,941.72 × 389,019.72
4. Step 4: Simplify right side
   694,959.24x = 373,047,239,410.72
5. Step 5: Solve for x
   x = 373,047,239,410.72/694,959.24
6. Step 6: Final answer
   x = 536,790.10