Finding the Fourth Proportional to 10,909.56, 15,059.68 and 7,377.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,909.56 : 15,059.68 = 7,377.52 : x
2. Step 2: Convert to fraction form
   10,909.56/15,059.68 = 7,377.52/x
3. Step 3: Cross multiply
   10,909.56x = 15,059.68 × 7,377.52
4. Step 4: Simplify right side
   10,909.56x = 111,103,090.39
5. Step 5: Solve for x
   x = 111,103,090.39/10,909.56
6. Step 6: Final answer
   x = 10,184.01