Finding the Fourth Proportional to 42,625.76, 58,801.96 and 28,499.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,625.76 : 58,801.96 = 28,499.36 : x
2. Step 2: Convert to fraction form
   42,625.76/58,801.96 = 28,499.36/x
3. Step 3: Cross multiply
   42,625.76x = 58,801.96 × 28,499.36
4. Step 4: Simplify right side
   42,625.76x = 1,675,818,226.75
5. Step 5: Solve for x
   x = 1,675,818,226.75/42,625.76
6. Step 6: Final answer
   x = 39,314.68