Finding the Fourth Proportional to 42,703.57, 63,968.33 and 25,826.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,703.57 : 63,968.33 = 25,826.31 : x
2. Step 2: Convert to fraction form
   42,703.57/63,968.33 = 25,826.31/x
3. Step 3: Cross multiply
   42,703.57x = 63,968.33 × 25,826.31
4. Step 4: Simplify right side
   42,703.57x = 1,652,065,985.33
5. Step 5: Solve for x
   x = 1,652,065,985.33/42,703.57
6. Step 6: Final answer
   x = 38,686.83