Finding the Fourth Proportional to 13,474.56, 18,594.89 and 7,812.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,474.56 : 18,594.89 = 7,812.59 : x
2. Step 2: Convert to fraction form
   13,474.56/18,594.89 = 7,812.59/x
3. Step 3: Cross multiply
   13,474.56x = 18,594.89 × 7,812.59
4. Step 4: Simplify right side
   13,474.56x = 145,274,119.63
5. Step 5: Solve for x
   x = 145,274,119.63/13,474.56
6. Step 6: Final answer
   x = 10,781.36