Finding the Fourth Proportional to 1,936.42, 2,902.06 and 1,012.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936.42 : 2,902.06 = 1,012.76 : x
2. Step 2: Convert to fraction form
   1,936.42/2,902.06 = 1,012.76/x
3. Step 3: Cross multiply
   1,936.42x = 2,902.06 × 1,012.76
4. Step 4: Simplify right side
   1,936.42x = 2,939,090.29
5. Step 5: Solve for x
   x = 2,939,090.29/1,936.42
6. Step 6: Final answer
   x = 1,517.80