Finding the Fourth Proportional to 42,269.18, 63,408.00 and 15,622.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,269.18 : 63,408.00 = 15,622.17 : x
2. Step 2: Convert to fraction form
   42,269.18/63,408.00 = 15,622.17/x
3. Step 3: Cross multiply
   42,269.18x = 63,408.00 × 15,622.17
4. Step 4: Simplify right side
   42,269.18x = 990,570,477.25
5. Step 5: Solve for x
   x = 990,570,477.25/42,269.18
6. Step 6: Final answer
   x = 23,434.82