Finding the Fourth Proportional to 13,068.76, 18,034.92 and 7,100.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.76 : 18,034.92 = 7,100.42 : x
2. Step 2: Convert to fraction form
   13,068.76/18,034.92 = 7,100.42/x
3. Step 3: Cross multiply
   13,068.76x = 18,034.92 × 7,100.42
4. Step 4: Simplify right side
   13,068.76x = 128,055,506.67
5. Step 5: Solve for x
   x = 128,055,506.67/13,068.76
6. Step 6: Final answer
   x = 9,798.60