Finding the Fourth Proportional to 42,408.57, 63,491.90 and 33,656.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,408.57 : 63,491.90 = 33,656.25 : x
2. Step 2: Convert to fraction form
   42,408.57/63,491.90 = 33,656.25/x
3. Step 3: Cross multiply
   42,408.57x = 63,491.90 × 33,656.25
4. Step 4: Simplify right side
   42,408.57x = 2,136,899,091.09
5. Step 5: Solve for x
   x = 2,136,899,091.09/42,408.57
6. Step 6: Final answer
   x = 50,388.38