Finding the Fourth Proportional to 42,147.35, 58,169.43 and 25,152.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,147.35 : 58,169.43 = 25,152.31 : x
2. Step 2: Convert to fraction form
   42,147.35/58,169.43 = 25,152.31/x
3. Step 3: Cross multiply
   42,147.35x = 58,169.43 × 25,152.31
4. Step 4: Simplify right side
   42,147.35x = 1,463,095,515.73
5. Step 5: Solve for x
   x = 1,463,095,515.73/42,147.35
6. Step 6: Final answer
   x = 34,713.82