Finding the Fourth Proportional to 2,038.72, 3,056.64 and 1,012.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.72 : 3,056.64 = 1,012.16 : x
2. Step 2: Convert to fraction form
   2,038.72/3,056.64 = 1,012.16/x
3. Step 3: Cross multiply
   2,038.72x = 3,056.64 × 1,012.16
4. Step 4: Simplify right side
   2,038.72x = 3,093,808.74
5. Step 5: Solve for x
   x = 3,093,808.74/2,038.72
6. Step 6: Final answer
   x = 1,517.53