Finding the Fourth Proportional to 52,411.57, 72,327.03 and 28,537.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,411.57 : 72,327.03 = 28,537.81 : x
2. Step 2: Convert to fraction form
   52,411.57/72,327.03 = 28,537.81/x
3. Step 3: Cross multiply
   52,411.57x = 72,327.03 × 28,537.81
4. Step 4: Simplify right side
   52,411.57x = 2,064,055,040.00
5. Step 5: Solve for x
   x = 2,064,055,040.00/52,411.57
6. Step 6: Final answer
   x = 39,381.67