Finding the Fourth Proportional to 3,875.60, 5,814.38 and 1,684.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.60 : 5,814.38 = 1,684.72 : x
2. Step 2: Convert to fraction form
   3,875.60/5,814.38 = 1,684.72/x
3. Step 3: Cross multiply
   3,875.60x = 5,814.38 × 1,684.72
4. Step 4: Simplify right side
   3,875.60x = 9,795,602.27
5. Step 5: Solve for x
   x = 9,795,602.27/3,875.60
6. Step 6: Final answer
   x = 2,527.51