Finding the Fourth Proportional to 13,970.14, 19,278.88 and 7,596.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,970.14 : 19,278.88 = 7,596.72 : x
2. Step 2: Convert to fraction form
   13,970.14/19,278.88 = 7,596.72/x
3. Step 3: Cross multiply
   13,970.14x = 19,278.88 × 7,596.72
4. Step 4: Simplify right side
   13,970.14x = 146,456,253.27
5. Step 5: Solve for x
   x = 146,456,253.27/13,970.14
6. Step 6: Final answer
   x = 10,483.52