Finding the Fourth Proportional to 52,410, 72,324.72 and 28,537.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,410 : 72,324.72 = 28,537.12 : x
2. Step 2: Convert to fraction form
   52,410/72,324.72 = 28,537.12/x
3. Step 3: Cross multiply
   52,410x = 72,324.72 × 28,537.12
4. Step 4: Simplify right side
   52,410x = 2,063,939,213.61
5. Step 5: Solve for x
   x = 2,063,939,213.61/52,410
6. Step 6: Final answer
   x = 39,380.64