Finding the Fourth Proportional to 3,875.60, 5,834.48 and 3,531.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.60 : 5,834.48 = 3,531.15 : x
2. Step 2: Convert to fraction form
   3,875.60/5,834.48 = 3,531.15/x
3. Step 3: Cross multiply
   3,875.60x = 5,834.48 × 3,531.15
4. Step 4: Simplify right side
   3,875.60x = 20,602,424.05
5. Step 5: Solve for x
   x = 20,602,424.05/3,875.60
6. Step 6: Final answer
   x = 5,315.93