Finding the Fourth Proportional to 13,400.98, 18,493.95 and 7,432.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,400.98 : 18,493.95 = 7,432.25 : x
2. Step 2: Convert to fraction form
   13,400.98/18,493.95 = 7,432.25/x
3. Step 3: Cross multiply
   13,400.98x = 18,493.95 × 7,432.25
4. Step 4: Simplify right side
   13,400.98x = 137,451,659.89
5. Step 5: Solve for x
   x = 137,451,659.89/13,400.98
6. Step 6: Final answer
   x = 10,256.84