Finding the Fourth Proportional to 5,875.54, 8,106.76 and 3,485.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,875.54 : 8,106.76 = 3,485.57 : x
2. Step 2: Convert to fraction form
   5,875.54/8,106.76 = 3,485.57/x
3. Step 3: Cross multiply
   5,875.54x = 8,106.76 × 3,485.57
4. Step 4: Simplify right side
   5,875.54x = 28,256,679.45
5. Step 5: Solve for x
   x = 28,256,679.45/5,875.54
6. Step 6: Final answer
   x = 4,809.21