Finding the Fourth Proportional to 45,272.86, 62,473.61 and 28,276.09

Step by Step Solution

1. Step 1: Write the proportion equation
   45,272.86 : 62,473.61 = 28,276.09 : x
2. Step 2: Convert to fraction form
   45,272.86/62,473.61 = 28,276.09/x
3. Step 3: Cross multiply
   45,272.86x = 62,473.61 × 28,276.09
4. Step 4: Simplify right side
   45,272.86x = 1,766,509,333.49
5. Step 5: Solve for x
   x = 1,766,509,333.49/45,272.86
6. Step 6: Final answer
   x = 39,019.17