Finding the Fourth Proportional to 57,162.72, 78,885.64 and 32,012.16

Step by Step Solution

1. Step 1: Write the proportion equation
   57,162.72 : 78,885.64 = 32,012.16 : x
2. Step 2: Convert to fraction form
   57,162.72/78,885.64 = 32,012.16/x
3. Step 3: Cross multiply
   57,162.72x = 78,885.64 × 32,012.16
4. Step 4: Simplify right side
   57,162.72x = 2,525,299,729.38
5. Step 5: Solve for x
   x = 2,525,299,729.38/57,162.72
6. Step 6: Final answer
   x = 44,177.39