Finding the Fourth Proportional to 9,100.33, 12,558.39 and 5,121.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,100.33 : 12,558.39 = 5,121.48 : x
2. Step 2: Convert to fraction form
   9,100.33/12,558.39 = 5,121.48/x
3. Step 3: Cross multiply
   9,100.33x = 12,558.39 × 5,121.48
4. Step 4: Simplify right side
   9,100.33x = 64,317,543.22
5. Step 5: Solve for x
   x = 64,317,543.22/9,100.33
6. Step 6: Final answer
   x = 7,067.61