Finding the Fourth Proportional to 17,970.64, 24,799.32 and 10,012.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,970.64 : 24,799.32 = 10,012.72 : x
2. Step 2: Convert to fraction form
   17,970.64/24,799.32 = 10,012.72/x
3. Step 3: Cross multiply
   17,970.64x = 24,799.32 × 10,012.72
4. Step 4: Simplify right side
   17,970.64x = 248,308,647.35
5. Step 5: Solve for x
   x = 248,308,647.35/17,970.64
6. Step 6: Final answer
   x = 13,817.46