Finding the Fourth Proportional to 142,773.90, 197,025.03 and 79,111.14

Step by Step Solution

1. Step 1: Write the proportion equation
   142,773.90 : 197,025.03 = 79,111.14 : x
2. Step 2: Convert to fraction form
   142,773.90/197,025.03 = 79,111.14/x
3. Step 3: Cross multiply
   142,773.90x = 197,025.03 × 79,111.14
4. Step 4: Simplify right side
   142,773.90x = 15,586,874,731.83
5. Step 5: Solve for x
   x = 15,586,874,731.83/142,773.90
6. Step 6: Final answer
   x = 109,171.74