Finding the Fourth Proportional to 42,662.90, 63,711.41 and 42,199.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,662.90 : 63,711.41 = 42,199.53 : x
2. Step 2: Convert to fraction form
   42,662.90/63,711.41 = 42,199.53/x
3. Step 3: Cross multiply
   42,662.90x = 63,711.41 × 42,199.53
4. Step 4: Simplify right side
   42,662.90x = 2,688,591,703.47
5. Step 5: Solve for x
   x = 2,688,591,703.47/42,662.90
6. Step 6: Final answer
   x = 63,019.43