Finding the Fourth Proportional to 39,498.39, 59,235.27 and 13,197

Step by Step Solution

1. Step 1: Write the proportion equation
   39,498.39 : 59,235.27 = 13,197 : x
2. Step 2: Convert to fraction form
   39,498.39/59,235.27 = 13,197/x
3. Step 3: Cross multiply
   39,498.39x = 59,235.27 × 13,197
4. Step 4: Simplify right side
   39,498.39x = 781,727,858.19
5. Step 5: Solve for x
   x = 781,727,858.19/39,498.39
6. Step 6: Final answer
   x = 19,791.39