Finding the Fourth Proportional to 1,823.71, 2,515.86 and 1,077.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,823.71 : 2,515.86 = 1,077.17 : x
2. Step 2: Convert to fraction form
   1,823.71/2,515.86 = 1,077.17/x
3. Step 3: Cross multiply
   1,823.71x = 2,515.86 × 1,077.17
4. Step 4: Simplify right side
   1,823.71x = 2,710,008.92
5. Step 5: Solve for x
   x = 2,710,008.92/1,823.71
6. Step 6: Final answer
   x = 1,485.99