Finding the Fourth Proportional to 951,544.50, 1,313,010.72 and 521,711.52

Step by Step Solution

1. Step 1: Write the proportion equation
   951,544.50 : 1,313,010.72 = 521,711.52 : x
2. Step 2: Convert to fraction form
   951,544.50/1,313,010.72 = 521,711.52/x
3. Step 3: Cross multiply
   951,544.50x = 1,313,010.72 × 521,711.52
4. Step 4: Simplify right side
   951,544.50x = 685,012,818,507.49
5. Step 5: Solve for x
   x = 685,012,818,507.49/951,544.50
6. Step 6: Final answer
   x = 719,895.73