Finding the Fourth Proportional to 13,069.05, 18,035.48 and 7,100.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,069.05 : 18,035.48 = 7,100.83 : x
2. Step 2: Convert to fraction form
   13,069.05/18,035.48 = 7,100.83/x
3. Step 3: Cross multiply
   13,069.05x = 18,035.48 × 7,100.83
4. Step 4: Simplify right side
   13,069.05x = 128,066,841.94
5. Step 5: Solve for x
   x = 128,066,841.94/13,069.05
6. Step 6: Final answer
   x = 9,799.25