Finding the Fourth Proportional to 1,182,860.55, 1,630,647.99 and 842,738.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182,860.55 : 1,630,647.99 = 842,738.31 : x
2. Step 2: Convert to fraction form
   1,182,860.55/1,630,647.99 = 842,738.31/x
3. Step 3: Cross multiply
   1,182,860.55x = 1,630,647.99 × 842,738.31
4. Step 4: Simplify right side
   1,182,860.55x = 1,374,209,531,297.50
5. Step 5: Solve for x
   x = 1,374,209,531,297.50/1,182,860.55
6. Step 6: Final answer
   x = 1,161,768.00