Finding the Fourth Proportional to 9,019.34, 13,528.56 and 2,779.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.34 : 13,528.56 = 2,779.10 : x
2. Step 2: Convert to fraction form
   9,019.34/13,528.56 = 2,779.10/x
3. Step 3: Cross multiply
   9,019.34x = 13,528.56 × 2,779.10
4. Step 4: Simplify right side
   9,019.34x = 37,597,221.10
5. Step 5: Solve for x
   x = 37,597,221.10/9,019.34
6. Step 6: Final answer
   x = 4,168.51