Finding the Fourth Proportional to 24,860.55, 34,308.27 and 13,530.15

Step by Step Solution

1. Step 1: Write the proportion equation
   24,860.55 : 34,308.27 = 13,530.15 : x
2. Step 2: Convert to fraction form
   24,860.55/34,308.27 = 13,530.15/x
3. Step 3: Cross multiply
   24,860.55x = 34,308.27 × 13,530.15
4. Step 4: Simplify right side
   24,860.55x = 464,196,039.34
5. Step 5: Solve for x
   x = 464,196,039.34/24,860.55
6. Step 6: Final answer
   x = 18,671.99