Finding the Fourth Proportional to 1,927.59, 2,890.71 and 1,619.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.59 : 2,890.71 = 1,619.52 : x
2. Step 2: Convert to fraction form
   1,927.59/2,890.71 = 1,619.52/x
3. Step 3: Cross multiply
   1,927.59x = 2,890.71 × 1,619.52
4. Step 4: Simplify right side
   1,927.59x = 4,681,562.66
5. Step 5: Solve for x
   x = 4,681,562.66/1,927.59
6. Step 6: Final answer
   x = 2,428.71