Finding the Fourth Proportional to 13,373.83, 18,455.83 and 7,405.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,373.83 : 18,455.83 = 7,405.89 : x
2. Step 2: Convert to fraction form
   13,373.83/18,455.83 = 7,405.89/x
3. Step 3: Cross multiply
   13,373.83x = 18,455.83 × 7,405.89
4. Step 4: Simplify right side
   13,373.83x = 136,681,846.84
5. Step 5: Solve for x
   x = 136,681,846.84/13,373.83
6. Step 6: Final answer
   x = 10,220.10