Finding the Fourth Proportional to 1,576.82, 2,176.12 and 947.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,576.82 : 2,176.12 = 947.37 : x
2. Step 2: Convert to fraction form
   1,576.82/2,176.12 = 947.37/x
3. Step 3: Cross multiply
   1,576.82x = 2,176.12 × 947.37
4. Step 4: Simplify right side
   1,576.82x = 2,061,588.70
5. Step 5: Solve for x
   x = 2,061,588.70/1,576.82
6. Step 6: Final answer
   x = 1,307.44