Finding the Fourth Proportional to 45,308.24, 67,941.90 and 13,706.12

Step by Step Solution

1. Step 1: Write the proportion equation
   45,308.24 : 67,941.90 = 13,706.12 : x
2. Step 2: Convert to fraction form
   45,308.24/67,941.90 = 13,706.12/x
3. Step 3: Cross multiply
   45,308.24x = 67,941.90 × 13,706.12
4. Step 4: Simplify right side
   45,308.24x = 931,219,834.43
5. Step 5: Solve for x
   x = 931,219,834.43/45,308.24
6. Step 6: Final answer
   x = 20,552.99