Finding the Fourth Proportional to 103,758.42, 143,190.42 and 57,822.18

Step by Step Solution

1. Step 1: Write the proportion equation
   103,758.42 : 143,190.42 = 57,822.18 : x
2. Step 2: Convert to fraction form
   103,758.42/143,190.42 = 57,822.18/x
3. Step 3: Cross multiply
   103,758.42x = 143,190.42 × 57,822.18
4. Step 4: Simplify right side
   103,758.42x = 8,279,582,239.52
5. Step 5: Solve for x
   x = 8,279,582,239.52/103,758.42
6. Step 6: Final answer
   x = 79,796.73