Finding the Fourth Proportional to 52,817.93, 72,889.32 and 28,944.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,817.93 : 72,889.32 = 28,944.09 : x
2. Step 2: Convert to fraction form
   52,817.93/72,889.32 = 28,944.09/x
3. Step 3: Cross multiply
   52,817.93x = 72,889.32 × 28,944.09
4. Step 4: Simplify right side
   52,817.93x = 2,109,715,311.45
5. Step 5: Solve for x
   x = 2,109,715,311.45/52,817.93
6. Step 6: Final answer
   x = 39,943.16