Finding the Fourth Proportional to 1,971.54, 2,720.72 and 1,075.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971.54 : 2,720.72 = 1,075.34 : x
2. Step 2: Convert to fraction form
   1,971.54/2,720.72 = 1,075.34/x
3. Step 3: Cross multiply
   1,971.54x = 2,720.72 × 1,075.34
4. Step 4: Simplify right side
   1,971.54x = 2,925,680.06
5. Step 5: Solve for x
   x = 2,925,680.06/1,971.54
6. Step 6: Final answer
   x = 1,483.96