Finding the Fourth Proportional to 42,131.24, 63,200.54 and 10,966.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,131.24 : 63,200.54 = 10,966.52 : x
2. Step 2: Convert to fraction form
   42,131.24/63,200.54 = 10,966.52/x
3. Step 3: Cross multiply
   42,131.24x = 63,200.54 × 10,966.52
4. Step 4: Simplify right side
   42,131.24x = 693,089,985.92
5. Step 5: Solve for x
   x = 693,089,985.92/42,131.24
6. Step 6: Final answer
   x = 16,450.74