Finding the Fourth Proportional to 10,185.98, 15,279.51 and 3,612.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,185.98 : 15,279.51 = 3,612.86 : x
2. Step 2: Convert to fraction form
   10,185.98/15,279.51 = 3,612.86/x
3. Step 3: Cross multiply
   10,185.98x = 15,279.51 × 3,612.86
4. Step 4: Simplify right side
   10,185.98x = 55,202,730.50
5. Step 5: Solve for x
   x = 55,202,730.50/10,185.98
6. Step 6: Final answer
   x = 5,419.48