Finding the Fourth Proportional to 34,730.64, 52,105.68 and 13,968.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,730.64 : 52,105.68 = 13,968.72 : x
2. Step 2: Convert to fraction form
   34,730.64/52,105.68 = 13,968.72/x
3. Step 3: Cross multiply
   34,730.64x = 52,105.68 × 13,968.72
4. Step 4: Simplify right side
   34,730.64x = 727,849,654.33
5. Step 5: Solve for x
   x = 727,849,654.33/34,730.64
6. Step 6: Final answer
   x = 20,956.99