Finding the Fourth Proportional to 9,093.36, 12,555.89 and 7,100.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,093.36 : 12,555.89 = 7,100.43 : x
2. Step 2: Convert to fraction form
   9,093.36/12,555.89 = 7,100.43/x
3. Step 3: Cross multiply
   9,093.36x = 12,555.89 × 7,100.43
4. Step 4: Simplify right side
   9,093.36x = 89,152,218.03
5. Step 5: Solve for x
   x = 89,152,218.03/9,093.36
6. Step 6: Final answer
   x = 9,804.10