Finding the Fourth Proportional to 2,012.88, 3,030.47 and 1,576.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.88 : 3,030.47 = 1,576.47 : x
2. Step 2: Convert to fraction form
   2,012.88/3,030.47 = 1,576.47/x
3. Step 3: Cross multiply
   2,012.88x = 3,030.47 × 1,576.47
4. Step 4: Simplify right side
   2,012.88x = 4,777,437.16
5. Step 5: Solve for x
   x = 4,777,437.16/2,012.88
6. Step 6: Final answer
   x = 2,373.43