Finding the Fourth Proportional to 1,519,510.72, 2,279,385.92 and 508,638.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519,510.72 : 2,279,385.92 = 508,638.56 : x
2. Step 2: Convert to fraction form
   1,519,510.72/2,279,385.92 = 508,638.56/x
3. Step 3: Cross multiply
   1,519,510.72x = 2,279,385.92 × 508,638.56
4. Step 4: Simplify right side
   1,519,510.72x = 1,159,383,572,033.08
5. Step 5: Solve for x
   x = 1,159,383,572,033.08/1,519,510.72
6. Step 6: Final answer
   x = 762,997.96