Finding the Fourth Proportional to 25,602, 35,330.76 and 13,826

Step by Step Solution

1. Step 1: Write the proportion equation
   25,602 : 35,330.76 = 13,826 : x
2. Step 2: Convert to fraction form
   25,602/35,330.76 = 13,826/x
3. Step 3: Cross multiply
   25,602x = 35,330.76 × 13,826
4. Step 4: Simplify right side
   25,602x = 488,483,087.76
5. Step 5: Solve for x
   x = 488,483,087.76/25,602
6. Step 6: Final answer
   x = 19,079.88