Finding the Fourth Proportional to 13,054.84, 18,017.82 and 7,392.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,054.84 : 18,017.82 = 7,392.12 : x
2. Step 2: Convert to fraction form
   13,054.84/18,017.82 = 7,392.12/x
3. Step 3: Cross multiply
   13,054.84x = 18,017.82 × 7,392.12
4. Step 4: Simplify right side
   13,054.84x = 133,189,887.58
5. Step 5: Solve for x
   x = 133,189,887.58/13,054.84
6. Step 6: Final answer
   x = 10,202.34