Finding the Fourth Proportional to 42,223.48, 63,341.70 and 14,515

Step by Step Solution

1. Step 1: Write the proportion equation
   42,223.48 : 63,341.70 = 14,515 : x
2. Step 2: Convert to fraction form
   42,223.48/63,341.70 = 14,515/x
3. Step 3: Cross multiply
   42,223.48x = 63,341.70 × 14,515
4. Step 4: Simplify right side
   42,223.48x = 919,404,775.50
5. Step 5: Solve for x
   x = 919,404,775.50/42,223.48
6. Step 6: Final answer
   x = 21,774.73