Finding the Fourth Proportional to 25,300.64, 34,916.88 and 14,693.60

Step by Step Solution

1. Step 1: Write the proportion equation
   25,300.64 : 34,916.88 = 14,693.60 : x
2. Step 2: Convert to fraction form
   25,300.64/34,916.88 = 14,693.60/x
3. Step 3: Cross multiply
   25,300.64x = 34,916.88 × 14,693.60
4. Step 4: Simplify right side
   25,300.64x = 513,054,667.97
5. Step 5: Solve for x
   x = 513,054,667.97/25,300.64
6. Step 6: Final answer
   x = 20,278.33