Finding the Fourth Proportional to 13,300.64, 18,337.82 and 10,901.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.64 : 18,337.82 = 10,901.78 : x
2. Step 2: Convert to fraction form
   13,300.64/18,337.82 = 10,901.78/x
3. Step 3: Cross multiply
   13,300.64x = 18,337.82 × 10,901.78
4. Step 4: Simplify right side
   13,300.64x = 199,914,879.32
5. Step 5: Solve for x
   x = 199,914,879.32/13,300.64
6. Step 6: Final answer
   x = 15,030.47