Finding the Fourth Proportional to 52,388.56, 72,380.82 and 36,543.75

Step by Step Solution

1. Step 1: Write the proportion equation
   52,388.56 : 72,380.82 = 36,543.75 : x
2. Step 2: Convert to fraction form
   52,388.56/72,380.82 = 36,543.75/x
3. Step 3: Cross multiply
   52,388.56x = 72,380.82 × 36,543.75
4. Step 4: Simplify right side
   52,388.56x = 2,645,066,590.88
5. Step 5: Solve for x
   x = 2,645,066,590.88/52,388.56
6. Step 6: Final answer
   x = 50,489.39