Finding the Fourth Proportional to 13,012.23, 17,956.49 and 7,346.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.23 : 17,956.49 = 7,346.89 : x
2. Step 2: Convert to fraction form
   13,012.23/17,956.49 = 7,346.89/x
3. Step 3: Cross multiply
   13,012.23x = 17,956.49 × 7,346.89
4. Step 4: Simplify right side
   13,012.23x = 131,924,342.53
5. Step 5: Solve for x
   x = 131,924,342.53/13,012.23
6. Step 6: Final answer
   x = 10,138.49