Finding the Fourth Proportional to 57,872.34, 79,872.35 and 35,206.94

Step by Step Solution

1. Step 1: Write the proportion equation
   57,872.34 : 79,872.35 = 35,206.94 : x
2. Step 2: Convert to fraction form
   57,872.34/79,872.35 = 35,206.94/x
3. Step 3: Cross multiply
   57,872.34x = 79,872.35 × 35,206.94
4. Step 4: Simplify right side
   57,872.34x = 2,812,061,057.76
5. Step 5: Solve for x
   x = 2,812,061,057.76/57,872.34
6. Step 6: Final answer
   x = 48,590.76