Finding the Fourth Proportional to 42,245.82, 58,288.86 and 25,888.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,245.82 : 58,288.86 = 25,888.56 : x
2. Step 2: Convert to fraction form
   42,245.82/58,288.86 = 25,888.56/x
3. Step 3: Cross multiply
   42,245.82x = 58,288.86 × 25,888.56
4. Step 4: Simplify right side
   42,245.82x = 1,509,014,649.44
5. Step 5: Solve for x
   x = 1,509,014,649.44/42,245.82
6. Step 6: Final answer
   x = 35,719.86