Finding the Fourth Proportional to 12,071,801.81, 18,107,707.61 and 2,974,076.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071,801.81 : 18,107,707.61 = 2,974,076.55 : x
2. Step 2: Convert to fraction form
   12,071,801.81/18,107,707.61 = 2,974,076.55/x
3. Step 3: Cross multiply
   12,071,801.81x = 18,107,707.61 × 2,974,076.55
4. Step 4: Simplify right side
   12,071,801.81x = 53,853,708,562,287.16
5. Step 5: Solve for x
   x = 53,853,708,562,287.16/12,071,801.81
6. Step 6: Final answer
   x = 4,461,116.03