Finding the Fourth Proportional to 2,310.42, 3,191.38 and 1,869.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.42 : 3,191.38 = 1,869.98 : x
2. Step 2: Convert to fraction form
   2,310.42/3,191.38 = 1,869.98/x
3. Step 3: Cross multiply
   2,310.42x = 3,191.38 × 1,869.98
4. Step 4: Simplify right side
   2,310.42x = 5,967,816.77
5. Step 5: Solve for x
   x = 5,967,816.77/2,310.42
6. Step 6: Final answer
   x = 2,583.00