Finding the Fourth Proportional to 1,089,776.34, 1,503,898.83 and 606,361.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,776.34 : 1,503,898.83 = 606,361.86 : x
2. Step 2: Convert to fraction form
   1,089,776.34/1,503,898.83 = 606,361.86/x
3. Step 3: Cross multiply
   1,089,776.34x = 1,503,898.83 × 606,361.86
4. Step 4: Simplify right side
   1,089,776.34x = 911,906,891,810.62
5. Step 5: Solve for x
   x = 911,906,891,810.62/1,089,776.34
6. Step 6: Final answer
   x = 836,783.53