Finding the Fourth Proportional to 2,521.64, 3,777.60 and 2,059.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.64 : 3,777.60 = 2,059.94 : x
2. Step 2: Convert to fraction form
   2,521.64/3,777.60 = 2,059.94/x
3. Step 3: Cross multiply
   2,521.64x = 3,777.60 × 2,059.94
4. Step 4: Simplify right side
   2,521.64x = 7,781,629.34
5. Step 5: Solve for x
   x = 7,781,629.34/2,521.64
6. Step 6: Final answer
   x = 3,085.94