Finding the Fourth Proportional to 45,086.19, 67,642.23 and 13,498.62

Step by Step Solution

1. Step 1: Write the proportion equation
   45,086.19 : 67,642.23 = 13,498.62 : x
2. Step 2: Convert to fraction form
   45,086.19/67,642.23 = 13,498.62/x
3. Step 3: Cross multiply
   45,086.19x = 67,642.23 × 13,498.62
4. Step 4: Simplify right side
   45,086.19x = 913,076,758.72
5. Step 5: Solve for x
   x = 913,076,758.72/45,086.19
6. Step 6: Final answer
   x = 20,251.81