Finding the Fourth Proportional to 14,100.48, 19,458.48 and 7,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,100.48 : 19,458.48 = 7,812.72 : x
2. Step 2: Convert to fraction form
   14,100.48/19,458.48 = 7,812.72/x
3. Step 3: Cross multiply
   14,100.48x = 19,458.48 × 7,812.72
4. Step 4: Simplify right side
   14,100.48x = 152,023,655.87
5. Step 5: Solve for x
   x = 152,023,655.87/14,100.48
6. Step 6: Final answer
   x = 10,781.45