Finding the Fourth Proportional to 2,659.21, 3,669.06 and 1,539.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.21 : 3,669.06 = 1,539.93 : x
2. Step 2: Convert to fraction form
   2,659.21/3,669.06 = 1,539.93/x
3. Step 3: Cross multiply
   2,659.21x = 3,669.06 × 1,539.93
4. Step 4: Simplify right side
   2,659.21x = 5,650,095.57
5. Step 5: Solve for x
   x = 5,650,095.57/2,659.21
6. Step 6: Final answer
   x = 2,124.73