Finding the Fourth Proportional to 2,077.18, 2,870.31 and 1,975.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.18 : 2,870.31 = 1,975.94 : x
2. Step 2: Convert to fraction form
   2,077.18/2,870.31 = 1,975.94/x
3. Step 3: Cross multiply
   2,077.18x = 2,870.31 × 1,975.94
4. Step 4: Simplify right side
   2,077.18x = 5,671,560.34
5. Step 5: Solve for x
   x = 5,671,560.34/2,077.18
6. Step 6: Final answer
   x = 2,730.41