Finding the Fourth Proportional to 52,481.36, 72,422.83 and 28,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,481.36 : 72,422.83 = 28,608.50 : x
2. Step 2: Convert to fraction form
   52,481.36/72,422.83 = 28,608.50/x
3. Step 3: Cross multiply
   52,481.36x = 72,422.83 × 28,608.50
4. Step 4: Simplify right side
   52,481.36x = 2,071,908,532.06
5. Step 5: Solve for x
   x = 2,071,908,532.06/52,481.36
6. Step 6: Final answer
   x = 39,478.94