Finding the Fourth Proportional to 2,044.16, 3,065.40 and 947.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,044.16 : 3,065.40 = 947.72 : x
2. Step 2: Convert to fraction form
   2,044.16/3,065.40 = 947.72/x
3. Step 3: Cross multiply
   2,044.16x = 3,065.40 × 947.72
4. Step 4: Simplify right side
   2,044.16x = 2,905,140.89
5. Step 5: Solve for x
   x = 2,905,140.89/2,044.16
6. Step 6: Final answer
   x = 1,421.19