Finding the Fourth Proportional to 42,437.84, 63,559.84 and 20,266.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,437.84 : 63,559.84 = 20,266.82 : x
2. Step 2: Convert to fraction form
   42,437.84/63,559.84 = 20,266.82/x
3. Step 3: Cross multiply
   42,437.84x = 63,559.84 × 20,266.82
4. Step 4: Simplify right side
   42,437.84x = 1,288,155,836.51
5. Step 5: Solve for x
   x = 1,288,155,836.51/42,437.84
6. Step 6: Final answer
   x = 30,353.94