Finding the Fourth Proportional to 52,481.05, 72,424.60 and 28,607.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,481.05 : 72,424.60 = 28,607.72 : x
2. Step 2: Convert to fraction form
   52,481.05/72,424.60 = 28,607.72/x
3. Step 3: Cross multiply
   52,481.05x = 72,424.60 × 28,607.72
4. Step 4: Simplify right side
   52,481.05x = 2,071,902,677.91
5. Step 5: Solve for x
   x = 2,071,902,677.91/52,481.05
6. Step 6: Final answer
   x = 39,479.06