Finding the Fourth Proportional to 42,648.18, 63,971.82 and 14,567.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,648.18 : 63,971.82 = 14,567.91 : x
2. Step 2: Convert to fraction form
   42,648.18/63,971.82 = 14,567.91/x
3. Step 3: Cross multiply
   42,648.18x = 63,971.82 × 14,567.91
4. Step 4: Simplify right side
   42,648.18x = 931,935,716.30
5. Step 5: Solve for x
   x = 931,935,716.30/42,648.18
6. Step 6: Final answer
   x = 21,851.71