Finding the Fourth Proportional to 13,259.34, 19,892.25 and 4,494.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,259.34 : 19,892.25 = 4,494.33 : x
2. Step 2: Convert to fraction form
   13,259.34/19,892.25 = 4,494.33/x
3. Step 3: Cross multiply
   13,259.34x = 19,892.25 × 4,494.33
4. Step 4: Simplify right side
   13,259.34x = 89,402,335.94
5. Step 5: Solve for x
   x = 89,402,335.94/13,259.34
6. Step 6: Final answer
   x = 6,742.59