Finding the Fourth Proportional to 57,546.84, 79,436.22 and 42,560.10

Step by Step Solution

1. Step 1: Write the proportion equation
   57,546.84 : 79,436.22 = 42,560.10 : x
2. Step 2: Convert to fraction form
   57,546.84/79,436.22 = 42,560.10/x
3. Step 3: Cross multiply
   57,546.84x = 79,436.22 × 42,560.10
4. Step 4: Simplify right side
   57,546.84x = 3,380,813,466.82
5. Step 5: Solve for x
   x = 3,380,813,466.82/57,546.84
6. Step 6: Final answer
   x = 58,748.90