Finding the Fourth Proportional to 42,907.24, 59,218.86 and 25,012.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,907.24 : 59,218.86 = 25,012.72 : x
2. Step 2: Convert to fraction form
   42,907.24/59,218.86 = 25,012.72/x
3. Step 3: Cross multiply
   42,907.24x = 59,218.86 × 25,012.72
4. Step 4: Simplify right side
   42,907.24x = 1,481,224,763.90
5. Step 5: Solve for x
   x = 1,481,224,763.90/42,907.24
6. Step 6: Final answer
   x = 34,521.56