Finding the Fourth Proportional to 2,870.96, 3,962.88 and 1,876.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.96 : 3,962.88 = 1,876.88 : x
2. Step 2: Convert to fraction form
   2,870.96/3,962.88 = 1,876.88/x
3. Step 3: Cross multiply
   2,870.96x = 3,962.88 × 1,876.88
4. Step 4: Simplify right side
   2,870.96x = 7,437,850.21
5. Step 5: Solve for x
   x = 7,437,850.21/2,870.96
6. Step 6: Final answer
   x = 2,590.72