Finding the Fourth Proportional to 45,415.30, 62,674.56 and 28,414.09

Step by Step Solution

1. Step 1: Write the proportion equation
   45,415.30 : 62,674.56 = 28,414.09 : x
2. Step 2: Convert to fraction form
   45,415.30/62,674.56 = 28,414.09/x
3. Step 3: Cross multiply
   45,415.30x = 62,674.56 × 28,414.09
4. Step 4: Simplify right side
   45,415.30x = 1,780,840,588.55
5. Step 5: Solve for x
   x = 1,780,840,588.55/45,415.30
6. Step 6: Final answer
   x = 39,212.35