Finding the Fourth Proportional to 13,068.57, 18,034.59 and 7,100.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.57 : 18,034.59 = 7,100.37 : x
2. Step 2: Convert to fraction form
   13,068.57/18,034.59 = 7,100.37/x
3. Step 3: Cross multiply
   13,068.57x = 18,034.59 × 7,100.37
4. Step 4: Simplify right side
   13,068.57x = 128,052,261.80
5. Step 5: Solve for x
   x = 128,052,261.80/13,068.57
6. Step 6: Final answer
   x = 9,798.49