Finding the Fourth Proportional to 14,101.56, 19,458.36 and 7,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,101.56 : 19,458.36 = 7,812.72 : x
2. Step 2: Convert to fraction form
   14,101.56/19,458.36 = 7,812.72/x
3. Step 3: Cross multiply
   14,101.56x = 19,458.36 × 7,812.72
4. Step 4: Simplify right side
   14,101.56x = 152,022,718.34
5. Step 5: Solve for x
   x = 152,022,718.34/14,101.56
6. Step 6: Final answer
   x = 10,780.56