Finding the Fourth Proportional to 42,820.38, 59,115.94 and 25,828.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,820.38 : 59,115.94 = 25,828.91 : x
2. Step 2: Convert to fraction form
   42,820.38/59,115.94 = 25,828.91/x
3. Step 3: Cross multiply
   42,820.38x = 59,115.94 × 25,828.91
4. Step 4: Simplify right side
   42,820.38x = 1,526,900,164.68
5. Step 5: Solve for x
   x = 1,526,900,164.68/42,820.38
6. Step 6: Final answer
   x = 35,658.26