Finding the Fourth Proportional to 15,185.42, 22,780.81 and 5,187.83

Step by Step Solution

1. Step 1: Write the proportion equation
   15,185.42 : 22,780.81 = 5,187.83 : x
2. Step 2: Convert to fraction form
   15,185.42/22,780.81 = 5,187.83/x
3. Step 3: Cross multiply
   15,185.42x = 22,780.81 × 5,187.83
4. Step 4: Simplify right side
   15,185.42x = 118,182,969.54
5. Step 5: Solve for x
   x = 118,182,969.54/15,185.42
6. Step 6: Final answer
   x = 7,782.66