Finding the Fourth Proportional to 951,522.12, 1,313,118.57 and 521,776.62

Step by Step Solution

1. Step 1: Write the proportion equation
   951,522.12 : 1,313,118.57 = 521,776.62 : x
2. Step 2: Convert to fraction form
   951,522.12/1,313,118.57 = 521,776.62/x
3. Step 3: Cross multiply
   951,522.12x = 1,313,118.57 × 521,776.62
4. Step 4: Simplify right side
   951,522.12x = 685,154,569,113.83
5. Step 5: Solve for x
   x = 685,154,569,113.83/951,522.12
6. Step 6: Final answer
   x = 720,061.63