Finding the Fourth Proportional to 57,011.99, 78,672.55 and 32,811.47

Step by Step Solution

1. Step 1: Write the proportion equation
   57,011.99 : 78,672.55 = 32,811.47 : x
2. Step 2: Convert to fraction form
   57,011.99/78,672.55 = 32,811.47/x
3. Step 3: Cross multiply
   57,011.99x = 78,672.55 × 32,811.47
4. Step 4: Simplify right side
   57,011.99x = 2,581,362,014.15
5. Step 5: Solve for x
   x = 2,581,362,014.15/57,011.99
6. Step 6: Final answer
   x = 45,277.53