Finding the Fourth Proportional to 1,956.96, 2,932.61 and 981.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.96 : 2,932.61 = 981.72 : x
2. Step 2: Convert to fraction form
   1,956.96/2,932.61 = 981.72/x
3. Step 3: Cross multiply
   1,956.96x = 2,932.61 × 981.72
4. Step 4: Simplify right side
   1,956.96x = 2,878,996.98
5. Step 5: Solve for x
   x = 2,878,996.98/1,956.96
6. Step 6: Final answer
   x = 1,471.16