Finding the Fourth Proportional to 25,099.92, 34,638.35 and 13,770.00

Step by Step Solution

1. Step 1: Write the proportion equation
   25,099.92 : 34,638.35 = 13,770.00 : x
2. Step 2: Convert to fraction form
   25,099.92/34,638.35 = 13,770.00/x
3. Step 3: Cross multiply
   25,099.92x = 34,638.35 × 13,770.00
4. Step 4: Simplify right side
   25,099.92x = 476,970,009.85
5. Step 5: Solve for x
   x = 476,970,009.85/25,099.92
6. Step 6: Final answer
   x = 19,002.85