Finding the Fourth Proportional to 14,118.78, 19,483.14 and 7,830.75

Step by Step Solution

1. Step 1: Write the proportion equation
   14,118.78 : 19,483.14 = 7,830.75 : x
2. Step 2: Convert to fraction form
   14,118.78/19,483.14 = 7,830.75/x
3. Step 3: Cross multiply
   14,118.78x = 19,483.14 × 7,830.75
4. Step 4: Simplify right side
   14,118.78x = 152,567,598.56
5. Step 5: Solve for x
   x = 152,567,598.56/14,118.78
6. Step 6: Final answer
   x = 10,806.00