Finding the Fourth Proportional to 94,839.41, 142,257.69 and 28,279.82

Step by Step Solution

1. Step 1: Write the proportion equation
   94,839.41 : 142,257.69 = 28,279.82 : x
2. Step 2: Convert to fraction form
   94,839.41/142,257.69 = 28,279.82/x
3. Step 3: Cross multiply
   94,839.41x = 142,257.69 × 28,279.82
4. Step 4: Simplify right side
   94,839.41x = 4,023,021,155.53
5. Step 5: Solve for x
   x = 4,023,021,155.53/94,839.41
6. Step 6: Final answer
   x = 42,419.30