Finding the Fourth Proportional to 52,182.52, 72,009.90 and 28,308.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,182.52 : 72,009.90 = 28,308.69 : x
2. Step 2: Convert to fraction form
   52,182.52/72,009.90 = 28,308.69/x
3. Step 3: Cross multiply
   52,182.52x = 72,009.90 × 28,308.69
4. Step 4: Simplify right side
   52,182.52x = 2,038,505,936.03
5. Step 5: Solve for x
   x = 2,038,505,936.03/52,182.52
6. Step 6: Final answer
   x = 39,064.92