Finding the Fourth Proportional to 2,084.94, 3,125.59 and 1,778.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.94 : 3,125.59 = 1,778.76 : x
2. Step 2: Convert to fraction form
   2,084.94/3,125.59 = 1,778.76/x
3. Step 3: Cross multiply
   2,084.94x = 3,125.59 × 1,778.76
4. Step 4: Simplify right side
   2,084.94x = 5,559,670.02
5. Step 5: Solve for x
   x = 5,559,670.02/2,084.94
6. Step 6: Final answer
   x = 2,666.59