Finding the Fourth Proportional to 45,131.32, 67,703.46 and 13,969

Step by Step Solution

1. Step 1: Write the proportion equation
   45,131.32 : 67,703.46 = 13,969 : x
2. Step 2: Convert to fraction form
   45,131.32/67,703.46 = 13,969/x
3. Step 3: Cross multiply
   45,131.32x = 67,703.46 × 13,969
4. Step 4: Simplify right side
   45,131.32x = 945,749,632.74
5. Step 5: Solve for x
   x = 945,749,632.74/45,131.32
6. Step 6: Final answer
   x = 20,955.51