Finding the Fourth Proportional to 9,083.90, 12,536.01 and 5,105.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,083.90 : 12,536.01 = 5,105.39 : x
2. Step 2: Convert to fraction form
   9,083.90/12,536.01 = 5,105.39/x
3. Step 3: Cross multiply
   9,083.90x = 12,536.01 × 5,105.39
4. Step 4: Simplify right side
   9,083.90x = 64,001,157.41
5. Step 5: Solve for x
   x = 64,001,157.41/9,083.90
6. Step 6: Final answer
   x = 7,045.56