Finding the Fourth Proportional to 13,713.94, 18,925.24 and 7,426.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,713.94 : 18,925.24 = 7,426.32 : x
2. Step 2: Convert to fraction form
   13,713.94/18,925.24 = 7,426.32/x
3. Step 3: Cross multiply
   13,713.94x = 18,925.24 × 7,426.32
4. Step 4: Simplify right side
   13,713.94x = 140,544,888.32
5. Step 5: Solve for x
   x = 140,544,888.32/13,713.94
6. Step 6: Final answer
   x = 10,248.32