Finding the Fourth Proportional to 205,854.56, 308,738.55 and 58,076

Step by Step Solution

1. Step 1: Write the proportion equation
   205,854.56 : 308,738.55 = 58,076 : x
2. Step 2: Convert to fraction form
   205,854.56/308,738.55 = 58,076/x
3. Step 3: Cross multiply
   205,854.56x = 308,738.55 × 58,076
4. Step 4: Simplify right side
   205,854.56x = 17,930,300,029.80
5. Step 5: Solve for x
   x = 17,930,300,029.80/205,854.56
6. Step 6: Final answer
   x = 87,101.79