Finding the Fourth Proportional to 1,162,756.89, 1,604,243.88 and 678,973.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162,756.89 : 1,604,243.88 = 678,973.05 : x
2. Step 2: Convert to fraction form
   1,162,756.89/1,604,243.88 = 678,973.05/x
3. Step 3: Cross multiply
   1,162,756.89x = 1,604,243.88 × 678,973.05
4. Step 4: Simplify right side
   1,162,756.89x = 1,089,238,361,794.99
5. Step 5: Solve for x
   x = 1,089,238,361,794.99/1,162,756.89
6. Step 6: Final answer
   x = 936,772.23