Finding the Fourth Proportional to 7,089,618.78, 9,783,624.15 and 3,870,354.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,089,618.78 : 9,783,624.15 = 3,870,354.78 : x
2. Step 2: Convert to fraction form
   7,089,618.78/9,783,624.15 = 3,870,354.78/x
3. Step 3: Cross multiply
   7,089,618.78x = 9,783,624.15 × 3,870,354.78
4. Step 4: Simplify right side
   7,089,618.78x = 37,866,096,494,675.94
5. Step 5: Solve for x
   x = 37,866,096,494,675.94/7,089,618.78
6. Step 6: Final answer
   x = 5,341,062.43