Finding the Fourth Proportional to 53,780.34, 80,497.98 and 28,757.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,780.34 : 80,497.98 = 28,757.82 : x
2. Step 2: Convert to fraction form
   53,780.34/80,497.98 = 28,757.82/x
3. Step 3: Cross multiply
   53,780.34x = 80,497.98 × 28,757.82
4. Step 4: Simplify right side
   53,780.34x = 2,314,946,419.20
5. Step 5: Solve for x
   x = 2,314,946,419.20/53,780.34
6. Step 6: Final answer
   x = 43,044.47