Finding the Fourth Proportional to 13,377.33, 18,460.71 and 7,409.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,377.33 : 18,460.71 = 7,409.00 : x
2. Step 2: Convert to fraction form
   13,377.33/18,460.71 = 7,409.00/x
3. Step 3: Cross multiply
   13,377.33x = 18,460.71 × 7,409.00
4. Step 4: Simplify right side
   13,377.33x = 136,775,308.09
5. Step 5: Solve for x
   x = 136,775,308.09/13,377.33
6. Step 6: Final answer
   x = 10,224.41