Finding the Fourth Proportional to 53,781.34, 80,499.48 and 28,758.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,781.34 : 80,499.48 = 28,758.82 : x
2. Step 2: Convert to fraction form
   53,781.34/80,499.48 = 28,758.82/x
3. Step 3: Cross multiply
   53,781.34x = 80,499.48 × 28,758.82
4. Step 4: Simplify right side
   53,781.34x = 2,315,070,055.41
5. Step 5: Solve for x
   x = 2,315,070,055.41/53,781.34
6. Step 6: Final answer
   x = 43,045.97