Finding the Fourth Proportional to 951,778.86, 1,313,491.59 and 522,077.10

Step by Step Solution

1. Step 1: Write the proportion equation
   951,778.86 : 1,313,491.59 = 522,077.10 : x
2. Step 2: Convert to fraction form
   951,778.86/1,313,491.59 = 522,077.10/x
3. Step 3: Cross multiply
   951,778.86x = 1,313,491.59 × 522,077.10
4. Step 4: Simplify right side
   951,778.86x = 685,743,880,181.59
5. Step 5: Solve for x
   x = 685,743,880,181.59/951,778.86
6. Step 6: Final answer
   x = 720,486.56