Finding the Fourth Proportional to 42,495.57, 58,656.24 and 28,348.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,495.57 : 58,656.24 = 28,348.38 : x
2. Step 2: Convert to fraction form
   42,495.57/58,656.24 = 28,348.38/x
3. Step 3: Cross multiply
   42,495.57x = 58,656.24 × 28,348.38
4. Step 4: Simplify right side
   42,495.57x = 1,662,809,380.89
5. Step 5: Solve for x
   x = 1,662,809,380.89/42,495.57
6. Step 6: Final answer
   x = 39,129.01