Finding the Fourth Proportional to 52,384.23, 72,291.77 and 28,512.45

Step by Step Solution

1. Step 1: Write the proportion equation
   52,384.23 : 72,291.77 = 28,512.45 : x
2. Step 2: Convert to fraction form
   52,384.23/72,291.77 = 28,512.45/x
3. Step 3: Cross multiply
   52,384.23x = 72,291.77 × 28,512.45
4. Step 4: Simplify right side
   52,384.23x = 2,061,215,548.82
5. Step 5: Solve for x
   x = 2,061,215,548.82/52,384.23
6. Step 6: Final answer
   x = 39,348.02