Finding the Fourth Proportional to 52,376.10, 72,279.69 and 28,503.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,376.10 : 72,279.69 = 28,503.42 : x
2. Step 2: Convert to fraction form
   52,376.10/72,279.69 = 28,503.42/x
3. Step 3: Cross multiply
   52,376.10x = 72,279.69 × 28,503.42
4. Step 4: Simplify right side
   52,376.10x = 2,060,218,361.54
5. Step 5: Solve for x
   x = 2,060,218,361.54/52,376.10
6. Step 6: Final answer
   x = 39,335.09