Finding the Fourth Proportional to 23,632.47, 32,612.70 and 12,877.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,632.47 : 32,612.70 = 12,877.98 : x
2. Step 2: Convert to fraction form
   23,632.47/32,612.70 = 12,877.98/x
3. Step 3: Cross multiply
   23,632.47x = 32,612.70 × 12,877.98
4. Step 4: Simplify right side
   23,632.47x = 419,985,698.35
5. Step 5: Solve for x
   x = 419,985,698.35/23,632.47
6. Step 6: Final answer
   x = 17,771.55