Finding the Fourth Proportional to 42,736.55, 58,978.53 and 25,745.99

Step by Step Solution

1. Step 1: Write the proportion equation
   42,736.55 : 58,978.53 = 25,745.99 : x
2. Step 2: Convert to fraction form
   42,736.55/58,978.53 = 25,745.99/x
3. Step 3: Cross multiply
   42,736.55x = 58,978.53 × 25,745.99
4. Step 4: Simplify right side
   42,736.55x = 1,518,460,348.70
5. Step 5: Solve for x
   x = 1,518,460,348.70/42,736.55
6. Step 6: Final answer
   x = 35,530.72