Finding the Fourth Proportional to 197,799.72, 296,748.17 and 57,559.56

Step by Step Solution

1. Step 1: Write the proportion equation
   197,799.72 : 296,748.17 = 57,559.56 : x
2. Step 2: Convert to fraction form
   197,799.72/296,748.17 = 57,559.56/x
3. Step 3: Cross multiply
   197,799.72x = 296,748.17 × 57,559.56
4. Step 4: Simplify right side
   197,799.72x = 17,080,694,096.01
5. Step 5: Solve for x
   x = 17,080,694,096.01/197,799.72
6. Step 6: Final answer
   x = 86,353.48