Finding the Fourth Proportional to 52,913.32, 73,019.90 and 28,714.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,913.32 : 73,019.90 = 28,714.18 : x
2. Step 2: Convert to fraction form
   52,913.32/73,019.90 = 28,714.18/x
3. Step 3: Cross multiply
   52,913.32x = 73,019.90 × 28,714.18
4. Step 4: Simplify right side
   52,913.32x = 2,096,706,552.18
5. Step 5: Solve for x
   x = 2,096,706,552.18/52,913.32
6. Step 6: Final answer
   x = 39,625.31