Finding the Fourth Proportional to 8,627.50, 11,905.95 and 5,090.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,627.50 : 11,905.95 = 5,090.71 : x
2. Step 2: Convert to fraction form
   8,627.50/11,905.95 = 5,090.71/x
3. Step 3: Cross multiply
   8,627.50x = 11,905.95 × 5,090.71
4. Step 4: Simplify right side
   8,627.50x = 60,609,738.72
5. Step 5: Solve for x
   x = 60,609,738.72/8,627.50
6. Step 6: Final answer
   x = 7,025.18