Finding the Fourth Proportional to 42,386.72, 58,475.40 and 25,610

Step by Step Solution

1. Step 1: Write the proportion equation
   42,386.72 : 58,475.40 = 25,610 : x
2. Step 2: Convert to fraction form
   42,386.72/58,475.40 = 25,610/x
3. Step 3: Cross multiply
   42,386.72x = 58,475.40 × 25,610
4. Step 4: Simplify right side
   42,386.72x = 1,497,554,994
5. Step 5: Solve for x
   x = 1,497,554,994/42,386.72
6. Step 6: Final answer
   x = 35,330.76