Finding the Fourth Proportional to 1,932.50, 2,873.89 and 1,870.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.50 : 2,873.89 = 1,870.99 : x
2. Step 2: Convert to fraction form
   1,932.50/2,873.89 = 1,870.99/x
3. Step 3: Cross multiply
   1,932.50x = 2,873.89 × 1,870.99
4. Step 4: Simplify right side
   1,932.50x = 5,377,019.45
5. Step 5: Solve for x
   x = 5,377,019.45/1,932.50
6. Step 6: Final answer
   x = 2,782.42