Finding the Fourth Proportional to 755,790.72, 1,043,424.96 and 501,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   755,790.72 : 1,043,424.96 = 501,486.72 : x
2. Step 2: Convert to fraction form
   755,790.72/1,043,424.96 = 501,486.72/x
3. Step 3: Cross multiply
   755,790.72x = 1,043,424.96 × 501,486.72
4. Step 4: Simplify right side
   755,790.72x = 523,263,760,756.53
5. Step 5: Solve for x
   x = 523,263,760,756.53/755,790.72
6. Step 6: Final answer
   x = 692,339.49