Finding the Fourth Proportional to 1,089,796.62, 1,503,895.77 and 630,930.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,796.62 : 1,503,895.77 = 630,930.54 : x
2. Step 2: Convert to fraction form
   1,089,796.62/1,503,895.77 = 630,930.54/x
3. Step 3: Cross multiply
   1,089,796.62x = 1,503,895.77 × 630,930.54
4. Step 4: Simplify right side
   1,089,796.62x = 948,853,770,269.82
5. Step 5: Solve for x
   x = 948,853,770,269.82/1,089,796.62
6. Step 6: Final answer
   x = 870,670.50