Finding the Fourth Proportional to 10,109.19, 15,177.84 and 5,182.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.19 : 15,177.84 = 5,182.23 : x
2. Step 2: Convert to fraction form
   10,109.19/15,177.84 = 5,182.23/x
3. Step 3: Cross multiply
   10,109.19x = 15,177.84 × 5,182.23
4. Step 4: Simplify right side
   10,109.19x = 78,655,057.78
5. Step 5: Solve for x
   x = 78,655,057.78/10,109.19
6. Step 6: Final answer
   x = 7,780.55