Finding the Fourth Proportional to 14,580.81, 21,875.03 and 4,585.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,580.81 : 21,875.03 = 4,585.15 : x
2. Step 2: Convert to fraction form
   14,580.81/21,875.03 = 4,585.15/x
3. Step 3: Cross multiply
   14,580.81x = 21,875.03 × 4,585.15
4. Step 4: Simplify right side
   14,580.81x = 100,300,195.89
5. Step 5: Solve for x
   x = 100,300,195.89/14,580.81
6. Step 6: Final answer
   x = 6,878.92