Finding the Fourth Proportional to 1,139,436, 1,571,946.56 and 655,885.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,436 : 1,571,946.56 = 655,885.44 : x
2. Step 2: Convert to fraction form
   1,139,436/1,571,946.56 = 655,885.44/x
3. Step 3: Cross multiply
   1,139,436x = 1,571,946.56 × 655,885.44
4. Step 4: Simplify right side
   1,139,436x = 1,031,016,861,162.09
5. Step 5: Solve for x
   x = 1,031,016,861,162.09/1,139,436
6. Step 6: Final answer
   x = 904,848.42