Finding the Fourth Proportional to 53,839.72, 80,753.91 and 14,400.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,839.72 : 80,753.91 = 14,400.82 : x
2. Step 2: Convert to fraction form
   53,839.72/80,753.91 = 14,400.82/x
3. Step 3: Cross multiply
   53,839.72x = 80,753.91 × 14,400.82
4. Step 4: Simplify right side
   53,839.72x = 1,162,922,522.21
5. Step 5: Solve for x
   x = 1,162,922,522.21/53,839.72
6. Step 6: Final answer
   x = 21,599.71