Finding the Fourth Proportional to 10,069.76, 15,100.86 and 8,090.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,069.76 : 15,100.86 = 8,090.52 : x
2. Step 2: Convert to fraction form
   10,069.76/15,100.86 = 8,090.52/x
3. Step 3: Cross multiply
   10,069.76x = 15,100.86 × 8,090.52
4. Step 4: Simplify right side
   10,069.76x = 122,173,809.85
5. Step 5: Solve for x
   x = 122,173,809.85/10,069.76
6. Step 6: Final answer
   x = 12,132.74