Finding the Fourth Proportional to 55,302, 82,953.31 and 13,749

Step by Step Solution

1. Step 1: Write the proportion equation
   55,302 : 82,953.31 = 13,749 : x
2. Step 2: Convert to fraction form
   55,302/82,953.31 = 13,749/x
3. Step 3: Cross multiply
   55,302x = 82,953.31 × 13,749
4. Step 4: Simplify right side
   55,302x = 1,140,525,024.82
5. Step 5: Solve for x
   x = 1,140,525,024.82/55,302
6. Step 6: Final answer
   x = 20,623.58