Finding the Fourth Proportional to 14,108.76, 19,468.78 and 7,820.60

Step by Step Solution

1. Step 1: Write the proportion equation
   14,108.76 : 19,468.78 = 7,820.60 : x
2. Step 2: Convert to fraction form
   14,108.76/19,468.78 = 7,820.60/x
3. Step 3: Cross multiply
   14,108.76x = 19,468.78 × 7,820.60
4. Step 4: Simplify right side
   14,108.76x = 152,257,540.87
5. Step 5: Solve for x
   x = 152,257,540.87/14,108.76
6. Step 6: Final answer
   x = 10,791.70