Finding the Fourth Proportional to 14,118.28, 19,483.32 and 7,830.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,118.28 : 19,483.32 = 7,830.76 : x
2. Step 2: Convert to fraction form
   14,118.28/19,483.32 = 7,830.76/x
3. Step 3: Cross multiply
   14,118.28x = 19,483.32 × 7,830.76
4. Step 4: Simplify right side
   14,118.28x = 152,569,202.92
5. Step 5: Solve for x
   x = 152,569,202.92/14,118.28
6. Step 6: Final answer
   x = 10,806.50