Finding the Fourth Proportional to 143,402.86, 197,887.82 and 79,739.29

Step by Step Solution

1. Step 1: Write the proportion equation
   143,402.86 : 197,887.82 = 79,739.29 : x
2. Step 2: Convert to fraction form
   143,402.86/197,887.82 = 79,739.29/x
3. Step 3: Cross multiply
   143,402.86x = 197,887.82 × 79,739.29
4. Step 4: Simplify right side
   143,402.86x = 15,779,433,373.03
5. Step 5: Solve for x
   x = 15,779,433,373.03/143,402.86
6. Step 6: Final answer
   x = 110,035.70