Finding the Fourth Proportional to 52,435.89, 72,362.16 and 28,562.76

Step by Step Solution

1. Step 1: Write the proportion equation
   52,435.89 : 72,362.16 = 28,562.76 : x
2. Step 2: Convert to fraction form
   52,435.89/72,362.16 = 28,562.76/x
3. Step 3: Cross multiply
   52,435.89x = 72,362.16 × 28,562.76
4. Step 4: Simplify right side
   52,435.89x = 2,066,863,009.16
5. Step 5: Solve for x
   x = 2,066,863,009.16/52,435.89
6. Step 6: Final answer
   x = 39,416.95