Finding the Fourth Proportional to 52,262.76, 72,119.89 and 28,389.41

Step by Step Solution

1. Step 1: Write the proportion equation
   52,262.76 : 72,119.89 = 28,389.41 : x
2. Step 2: Convert to fraction form
   52,262.76/72,119.89 = 28,389.41/x
3. Step 3: Cross multiply
   52,262.76x = 72,119.89 × 28,389.41
4. Step 4: Simplify right side
   52,262.76x = 2,047,441,126.36
5. Step 5: Solve for x
   x = 2,047,441,126.36/52,262.76
6. Step 6: Final answer
   x = 39,175.91