Finding the Fourth Proportional to 1,947.82, 2,921.42 and 714.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.82 : 2,921.42 = 714.93 : x
2. Step 2: Convert to fraction form
   1,947.82/2,921.42 = 714.93/x
3. Step 3: Cross multiply
   1,947.82x = 2,921.42 × 714.93
4. Step 4: Simplify right side
   1,947.82x = 2,088,597.61
5. Step 5: Solve for x
   x = 2,088,597.61/1,947.82
6. Step 6: Final answer
   x = 1,072.27