Finding the Fourth Proportional to 42,557.99, 63,837 and 42,496.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,557.99 : 63,837 = 42,496.52 : x
2. Step 2: Convert to fraction form
   42,557.99/63,837 = 42,496.52/x
3. Step 3: Cross multiply
   42,557.99x = 63,837 × 42,496.52
4. Step 4: Simplify right side
   42,557.99x = 2,712,850,028.06
5. Step 5: Solve for x
   x = 2,712,850,028.06/42,557.99
6. Step 6: Final answer
   x = 63,744.79