Finding the Fourth Proportional to 42,543.33, 63,378.42 and 40,624.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,543.33 : 63,378.42 = 40,624.24 : x
2. Step 2: Convert to fraction form
   42,543.33/63,378.42 = 40,624.24/x
3. Step 3: Cross multiply
   42,543.33x = 63,378.42 × 40,624.24
4. Step 4: Simplify right side
   42,543.33x = 2,574,700,144.90
5. Step 5: Solve for x
   x = 2,574,700,144.90/42,543.33
6. Step 6: Final answer
   x = 60,519.48