Finding the Fourth Proportional to 46,391.01, 69,591.07 and 13,111.33

Step by Step Solution

1. Step 1: Write the proportion equation
   46,391.01 : 69,591.07 = 13,111.33 : x
2. Step 2: Convert to fraction form
   46,391.01/69,591.07 = 13,111.33/x
3. Step 3: Cross multiply
   46,391.01x = 69,591.07 × 13,111.33
4. Step 4: Simplify right side
   46,391.01x = 912,431,483.82
5. Step 5: Solve for x
   x = 912,431,483.82/46,391.01
6. Step 6: Final answer
   x = 19,668.28