Finding the Fourth Proportional to 8,100.79, 12,139.63 and 3,592.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.79 : 12,139.63 = 3,592.33 : x
2. Step 2: Convert to fraction form
   8,100.79/12,139.63 = 3,592.33/x
3. Step 3: Cross multiply
   8,100.79x = 12,139.63 × 3,592.33
4. Step 4: Simplify right side
   8,100.79x = 43,609,557.04
5. Step 5: Solve for x
   x = 43,609,557.04/8,100.79
6. Step 6: Final answer
   x = 5,383.37