Finding the Fourth Proportional to 1,309,038.53, 1,962,933.69 and 456,005.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,038.53 : 1,962,933.69 = 456,005.26 : x
2. Step 2: Convert to fraction form
   1,309,038.53/1,962,933.69 = 456,005.26/x
3. Step 3: Cross multiply
   1,309,038.53x = 1,962,933.69 × 456,005.26
4. Step 4: Simplify right side
   1,309,038.53x = 895,108,077,856.54
5. Step 5: Solve for x
   x = 895,108,077,856.54/1,309,038.53
6. Step 6: Final answer
   x = 683,790.47