Finding the Fourth Proportional to 52,182.69, 72,010.17 and 28,308.86

Step by Step Solution

1. Step 1: Write the proportion equation
   52,182.69 : 72,010.17 = 28,308.86 : x
2. Step 2: Convert to fraction form
   52,182.69/72,010.17 = 28,308.86/x
3. Step 3: Cross multiply
   52,182.69x = 72,010.17 × 28,308.86
4. Step 4: Simplify right side
   52,182.69x = 2,038,525,461.06
5. Step 5: Solve for x
   x = 2,038,525,461.06/52,182.69
6. Step 6: Final answer
   x = 39,065.17