Finding the Fourth Proportional to 13,068.98, 18,030.84 and 7,403.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.98 : 18,030.84 = 7,403.15 : x
2. Step 2: Convert to fraction form
   13,068.98/18,030.84 = 7,403.15/x
3. Step 3: Cross multiply
   13,068.98x = 18,030.84 × 7,403.15
4. Step 4: Simplify right side
   13,068.98x = 133,485,013.15
5. Step 5: Solve for x
   x = 133,485,013.15/13,068.98
6. Step 6: Final answer
   x = 10,213.88