Finding the Fourth Proportional to 14,118.17, 19,484.15 and 7,830.54

Step by Step Solution

1. Step 1: Write the proportion equation
   14,118.17 : 19,484.15 = 7,830.54 : x
2. Step 2: Convert to fraction form
   14,118.17/19,484.15 = 7,830.54/x
3. Step 3: Cross multiply
   14,118.17x = 19,484.15 × 7,830.54
4. Step 4: Simplify right side
   14,118.17x = 152,571,376.79
5. Step 5: Solve for x
   x = 152,571,376.79/14,118.17
6. Step 6: Final answer
   x = 10,806.74