Finding the Fourth Proportional to 2,312.96, 3,469.98 and 1,582.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.96 : 3,469.98 = 1,582.88 : x
2. Step 2: Convert to fraction form
   2,312.96/3,469.98 = 1,582.88/x
3. Step 3: Cross multiply
   2,312.96x = 3,469.98 × 1,582.88
4. Step 4: Simplify right side
   2,312.96x = 5,492,561.94
5. Step 5: Solve for x
   x = 5,492,561.94/2,312.96
6. Step 6: Final answer
   x = 2,374.69