Finding the Fourth Proportional to 42,637.86, 63,957.62 and 14,564.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,637.86 : 63,957.62 = 14,564.34 : x
2. Step 2: Convert to fraction form
   42,637.86/63,957.62 = 14,564.34/x
3. Step 3: Cross multiply
   42,637.86x = 63,957.62 × 14,564.34
4. Step 4: Simplify right side
   42,637.86x = 931,500,523.27
5. Step 5: Solve for x
   x = 931,500,523.27/42,637.86
6. Step 6: Final answer
   x = 21,846.79