Finding the Fourth Proportional to 63,028.80, 86,978.62 and 34,348.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,028.80 : 86,978.62 = 34,348.72 : x
2. Step 2: Convert to fraction form
   63,028.80/86,978.62 = 34,348.72/x
3. Step 3: Cross multiply
   63,028.80x = 86,978.62 × 34,348.72
4. Step 4: Simplify right side
   63,028.80x = 2,987,604,264.37
5. Step 5: Solve for x
   x = 2,987,604,264.37/63,028.80
6. Step 6: Final answer
   x = 47,400.62