Finding the Fourth Proportional to 10,091.67, 15,131.74 and 3,069.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,091.67 : 15,131.74 = 3,069.61 : x
2. Step 2: Convert to fraction form
   10,091.67/15,131.74 = 3,069.61/x
3. Step 3: Cross multiply
   10,091.67x = 15,131.74 × 3,069.61
4. Step 4: Simplify right side
   10,091.67x = 46,448,540.42
5. Step 5: Solve for x
   x = 46,448,540.42/10,091.67
6. Step 6: Final answer
   x = 4,602.66