Finding the Fourth Proportional to 47,824.64, 65,958.70 and 42,451

Step by Step Solution

1. Step 1: Write the proportion equation
   47,824.64 : 65,958.70 = 42,451 : x
2. Step 2: Convert to fraction form
   47,824.64/65,958.70 = 42,451/x
3. Step 3: Cross multiply
   47,824.64x = 65,958.70 × 42,451
4. Step 4: Simplify right side
   47,824.64x = 2,800,012,773.70
5. Step 5: Solve for x
   x = 2,800,012,773.70/47,824.64
6. Step 6: Final answer
   x = 58,547.49