Finding the Fourth Proportional to 2,406.60, 3,319.43 and 1,522.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.60 : 3,319.43 = 1,522.98 : x
2. Step 2: Convert to fraction form
   2,406.60/3,319.43 = 1,522.98/x
3. Step 3: Cross multiply
   2,406.60x = 3,319.43 × 1,522.98
4. Step 4: Simplify right side
   2,406.60x = 5,055,417.89
5. Step 5: Solve for x
   x = 5,055,417.89/2,406.60
6. Step 6: Final answer
   x = 2,100.65