Finding the Fourth Proportional to 12,139,615.49, 18,210,648.90 and 3,941,914.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,139,615.49 : 18,210,648.90 = 3,941,914.94 : x
2. Step 2: Convert to fraction form
   12,139,615.49/18,210,648.90 = 3,941,914.94/x
3. Step 3: Cross multiply
   12,139,615.49x = 18,210,648.90 × 3,941,914.94
4. Step 4: Simplify right side
   12,139,615.49x = 71,784,828,874,951.31
5. Step 5: Solve for x
   x = 71,784,828,874,951.31/12,139,615.49
6. Step 6: Final answer
   x = 5,913,270.40