Finding the Fourth Proportional to 10,091.16, 15,131.88 and 3,764.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,091.16 : 15,131.88 = 3,764.07 : x
2. Step 2: Convert to fraction form
   10,091.16/15,131.88 = 3,764.07/x
3. Step 3: Cross multiply
   10,091.16x = 15,131.88 × 3,764.07
4. Step 4: Simplify right side
   10,091.16x = 56,957,455.55
5. Step 5: Solve for x
   x = 56,957,455.55/10,091.16
6. Step 6: Final answer
   x = 5,644.29