Finding the Fourth Proportional to 53,938.90, 80,908.71 and 16,499.62

Step by Step Solution

1. Step 1: Write the proportion equation
   53,938.90 : 80,908.71 = 16,499.62 : x
2. Step 2: Convert to fraction form
   53,938.90/80,908.71 = 16,499.62/x
3. Step 3: Cross multiply
   53,938.90x = 80,908.71 × 16,499.62
4. Step 4: Simplify right side
   53,938.90x = 1,334,962,969.69
5. Step 5: Solve for x
   x = 1,334,962,969.69/53,938.90
6. Step 6: Final answer
   x = 24,749.54