Finding the Fourth Proportional to 1,977.88, 2,966.71 and 1,003.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977.88 : 2,966.71 = 1,003.96 : x
2. Step 2: Convert to fraction form
   1,977.88/2,966.71 = 1,003.96/x
3. Step 3: Cross multiply
   1,977.88x = 2,966.71 × 1,003.96
4. Step 4: Simplify right side
   1,977.88x = 2,978,443.34
5. Step 5: Solve for x
   x = 2,978,443.34/1,977.88
6. Step 6: Final answer
   x = 1,505.88