Finding the Fourth Proportional to 57,377.94, 86,080.76 and 19,932.57

Step by Step Solution

1. Step 1: Write the proportion equation
   57,377.94 : 86,080.76 = 19,932.57 : x
2. Step 2: Convert to fraction form
   57,377.94/86,080.76 = 19,932.57/x
3. Step 3: Cross multiply
   57,377.94x = 86,080.76 × 19,932.57
4. Step 4: Simplify right side
   57,377.94x = 1,715,810,674.69
5. Step 5: Solve for x
   x = 1,715,810,674.69/57,377.94
6. Step 6: Final answer
   x = 29,903.66