Finding the Fourth Proportional to 1,906,603.42, 2,630,472.56 and 1,079,564.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906,603.42 : 2,630,472.56 = 1,079,564.15 : x
2. Step 2: Convert to fraction form
   1,906,603.42/2,630,472.56 = 1,079,564.15/x
3. Step 3: Cross multiply
   1,906,603.42x = 2,630,472.56 × 1,079,564.15
4. Step 4: Simplify right side
   1,906,603.42x = 2,839,763,867,936.90
5. Step 5: Solve for x
   x = 2,839,763,867,936.90/1,906,603.42
6. Step 6: Final answer
   x = 1,489,436.05