Finding the Fourth Proportional to 1,971.82, 2,721.02 and 1,131.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971.82 : 2,721.02 = 1,131.93 : x
2. Step 2: Convert to fraction form
   1,971.82/2,721.02 = 1,131.93/x
3. Step 3: Cross multiply
   1,971.82x = 2,721.02 × 1,131.93
4. Step 4: Simplify right side
   1,971.82x = 3,080,004.17
5. Step 5: Solve for x
   x = 3,080,004.17/1,971.82
6. Step 6: Final answer
   x = 1,562.01