Finding the Fourth Proportional to 14,066.34, 19,412.37 and 7,779.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,066.34 : 19,412.37 = 7,779.30 : x
2. Step 2: Convert to fraction form
   14,066.34/19,412.37 = 7,779.30/x
3. Step 3: Cross multiply
   14,066.34x = 19,412.37 × 7,779.30
4. Step 4: Simplify right side
   14,066.34x = 151,014,649.94
5. Step 5: Solve for x
   x = 151,014,649.94/14,066.34
6. Step 6: Final answer
   x = 10,735.89