Finding the Fourth Proportional to 789,651.51, 1,089,768.91 and 445,361.82

Step by Step Solution

1. Step 1: Write the proportion equation
   789,651.51 : 1,089,768.91 = 445,361.82 : x
2. Step 2: Convert to fraction form
   789,651.51/1,089,768.91 = 445,361.82/x
3. Step 3: Cross multiply
   789,651.51x = 1,089,768.91 × 445,361.82
4. Step 4: Simplify right side
   789,651.51x = 485,341,465,089.59
5. Step 5: Solve for x
   x = 485,341,465,089.59/789,651.51
6. Step 6: Final answer
   x = 614,627.41