Finding the Fourth Proportional to 8,072.31, 12,100.51 and 3,393.65

Step by Step Solution

1. Step 1: Write the proportion equation
   8,072.31 : 12,100.51 = 3,393.65 : x
2. Step 2: Convert to fraction form
   8,072.31/12,100.51 = 3,393.65/x
3. Step 3: Cross multiply
   8,072.31x = 12,100.51 × 3,393.65
4. Step 4: Simplify right side
   8,072.31x = 41,064,895.76
5. Step 5: Solve for x
   x = 41,064,895.76/8,072.31
6. Step 6: Final answer
   x = 5,087.13