Finding the Fourth Proportional to 30,731.76, 42,327 and 26,532.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,731.76 : 42,327 = 26,532.72 : x
2. Step 2: Convert to fraction form
   30,731.76/42,327 = 26,532.72/x
3. Step 3: Cross multiply
   30,731.76x = 42,327 × 26,532.72
4. Step 4: Simplify right side
   30,731.76x = 1,123,050,439.44
5. Step 5: Solve for x
   x = 1,123,050,439.44/30,731.76
6. Step 6: Final answer
   x = 36,543.64