Finding the Fourth Proportional to 550,440.72, 759,492.72 and 359,734.32

Step by Step Solution

1. Step 1: Write the proportion equation
   550,440.72 : 759,492.72 = 359,734.32 : x
2. Step 2: Convert to fraction form
   550,440.72/759,492.72 = 359,734.32/x
3. Step 3: Cross multiply
   550,440.72x = 759,492.72 × 359,734.32
4. Step 4: Simplify right side
   550,440.72x = 273,215,597,174.15
5. Step 5: Solve for x
   x = 273,215,597,174.15/550,440.72
6. Step 6: Final answer
   x = 496,357.90