Finding the Fourth Proportional to 52,308.06, 72,184.61 and 28,433.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,308.06 : 72,184.61 = 28,433.31 : x
2. Step 2: Convert to fraction form
   52,308.06/72,184.61 = 28,433.31/x
3. Step 3: Cross multiply
   52,308.06x = 72,184.61 × 28,433.31
4. Step 4: Simplify right side
   52,308.06x = 2,052,447,251.19
5. Step 5: Solve for x
   x = 2,052,447,251.19/52,308.06
6. Step 6: Final answer
   x = 39,237.69