Finding the Fourth Proportional to 14,152.05, 19,530.30 and 7,779.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,152.05 : 19,530.30 = 7,779.27 : x
2. Step 2: Convert to fraction form
   14,152.05/19,530.30 = 7,779.27/x
3. Step 3: Cross multiply
   14,152.05x = 19,530.30 × 7,779.27
4. Step 4: Simplify right side
   14,152.05x = 151,931,476.88
5. Step 5: Solve for x
   x = 151,931,476.88/14,152.05
6. Step 6: Final answer
   x = 10,735.65