Finding the Fourth Proportional to 1,576.98, 2,176.12 and 947.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,576.98 : 2,176.12 = 947.53 : x
2. Step 2: Convert to fraction form
   1,576.98/2,176.12 = 947.53/x
3. Step 3: Cross multiply
   1,576.98x = 2,176.12 × 947.53
4. Step 4: Simplify right side
   1,576.98x = 2,061,945.55
5. Step 5: Solve for x
   x = 2,061,945.55/1,576.98
6. Step 6: Final answer
   x = 1,307.53