Finding the Fourth Proportional to 52,522.19, 72,481.61 and 28,649.71

Step by Step Solution

1. Step 1: Write the proportion equation
   52,522.19 : 72,481.61 = 28,649.71 : x
2. Step 2: Convert to fraction form
   52,522.19/72,481.61 = 28,649.71/x
3. Step 3: Cross multiply
   52,522.19x = 72,481.61 × 28,649.71
4. Step 4: Simplify right side
   52,522.19x = 2,076,577,106.83
5. Step 5: Solve for x
   x = 2,076,577,106.83/52,522.19
6. Step 6: Final answer
   x = 39,537.14