Finding the Fourth Proportional to 13,068.18, 18,034.19 and 7,099.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.18 : 18,034.19 = 7,099.86 : x
2. Step 2: Convert to fraction form
   13,068.18/18,034.19 = 7,099.86/x
3. Step 3: Cross multiply
   13,068.18x = 18,034.19 × 7,099.86
4. Step 4: Simplify right side
   13,068.18x = 128,040,188.71
5. Step 5: Solve for x
   x = 128,040,188.71/13,068.18
6. Step 6: Final answer
   x = 9,797.86