Finding the Fourth Proportional to 2,077.07, 3,116.62 and 981.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.07 : 3,116.62 = 981.14 : x
2. Step 2: Convert to fraction form
   2,077.07/3,116.62 = 981.14/x
3. Step 3: Cross multiply
   2,077.07x = 3,116.62 × 981.14
4. Step 4: Simplify right side
   2,077.07x = 3,057,840.55
5. Step 5: Solve for x
   x = 3,057,840.55/2,077.07
6. Step 6: Final answer
   x = 1,472.19