Finding the Fourth Proportional to 42,028.52, 63,050.28 and 13,950.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,028.52 : 63,050.28 = 13,950.28 : x
2. Step 2: Convert to fraction form
   42,028.52/63,050.28 = 13,950.28/x
3. Step 3: Cross multiply
   42,028.52x = 63,050.28 × 13,950.28
4. Step 4: Simplify right side
   42,028.52x = 879,569,060.08
5. Step 5: Solve for x
   x = 879,569,060.08/42,028.52
6. Step 6: Final answer
   x = 20,927.91