Finding the Fourth Proportional to 24,855.72, 34,300.90 and 13,677.72

Step by Step Solution

1. Step 1: Write the proportion equation
   24,855.72 : 34,300.90 = 13,677.72 : x
2. Step 2: Convert to fraction form
   24,855.72/34,300.90 = 13,677.72/x
3. Step 3: Cross multiply
   24,855.72x = 34,300.90 × 13,677.72
4. Step 4: Simplify right side
   24,855.72x = 469,158,071.75
5. Step 5: Solve for x
   x = 469,158,071.75/24,855.72
6. Step 6: Final answer
   x = 18,875.26