Finding the Fourth Proportional to 13,100.70, 18,080.45 and 7,795.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,100.70 : 18,080.45 = 7,795.52 : x
2. Step 2: Convert to fraction form
   13,100.70/18,080.45 = 7,795.52/x
3. Step 3: Cross multiply
   13,100.70x = 18,080.45 × 7,795.52
4. Step 4: Simplify right side
   13,100.70x = 140,946,459.28
5. Step 5: Solve for x
   x = 140,946,459.28/13,100.70
6. Step 6: Final answer
   x = 10,758.70