Finding the Fourth Proportional to 143,391, 197,870.22 and 79,726.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,391 : 197,870.22 = 79,726.52 : x
2. Step 2: Convert to fraction form
   143,391/197,870.22 = 79,726.52/x
3. Step 3: Cross multiply
   143,391x = 197,870.22 × 79,726.52
4. Step 4: Simplify right side
   143,391x = 15,775,504,052.23
5. Step 5: Solve for x
   x = 15,775,504,052.23/143,391
6. Step 6: Final answer
   x = 110,017.39