Finding the Fourth Proportional to 25,028, 34,539.72 and 13,850

Step by Step Solution

1. Step 1: Write the proportion equation
   25,028 : 34,539.72 = 13,850 : x
2. Step 2: Convert to fraction form
   25,028/34,539.72 = 13,850/x
3. Step 3: Cross multiply
   25,028x = 34,539.72 × 13,850
4. Step 4: Simplify right side
   25,028x = 478,375,122
5. Step 5: Solve for x
   x = 478,375,122/25,028
6. Step 6: Final answer
   x = 19,113.60