Finding the Fourth Proportional to 13,068.77, 18,034.88 and 7,100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.77 : 18,034.88 = 7,100.56 : x
2. Step 2: Convert to fraction form
   13,068.77/18,034.88 = 7,100.56/x
3. Step 3: Cross multiply
   13,068.77x = 18,034.88 × 7,100.56
4. Step 4: Simplify right side
   13,068.77x = 128,057,754.54
5. Step 5: Solve for x
   x = 128,057,754.54/13,068.77
6. Step 6: Final answer
   x = 9,798.76