Finding the Fourth Proportional to 52,412.10, 72,327.06 and 28,538.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,412.10 : 72,327.06 = 28,538.62 : x
2. Step 2: Convert to fraction form
   52,412.10/72,327.06 = 28,538.62/x
3. Step 3: Cross multiply
   52,412.10x = 72,327.06 × 28,538.62
4. Step 4: Simplify right side
   52,412.10x = 2,064,114,481.06
5. Step 5: Solve for x
   x = 2,064,114,481.06/52,412.10
6. Step 6: Final answer
   x = 39,382.40