Finding the Fourth Proportional to 12,085,554.16, 18,123,743.40 and 3,996,103.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,085,554.16 : 18,123,743.40 = 3,996,103.60 : x
2. Step 2: Convert to fraction form
   12,085,554.16/18,123,743.40 = 3,996,103.60/x
3. Step 3: Cross multiply
   12,085,554.16x = 18,123,743.40 × 3,996,103.60
4. Step 4: Simplify right side
   12,085,554.16x = 72,424,356,246,216.23
5. Step 5: Solve for x
   x = 72,424,356,246,216.23/12,085,554.16
6. Step 6: Final answer
   x = 5,992,638.42