Finding the Fourth Proportional to 31,090.58, 46,596.85 and 13,300.35

Step by Step Solution

1. Step 1: Write the proportion equation
   31,090.58 : 46,596.85 = 13,300.35 : x
2. Step 2: Convert to fraction form
   31,090.58/46,596.85 = 13,300.35/x
3. Step 3: Cross multiply
   31,090.58x = 46,596.85 × 13,300.35
4. Step 4: Simplify right side
   31,090.58x = 619,754,413.90
5. Step 5: Solve for x
   x = 619,754,413.90/31,090.58
6. Step 6: Final answer
   x = 19,933.83