Finding the Fourth Proportional to 196,658.47, 271,412.01 and 111,788.29

Step by Step Solution

1. Step 1: Write the proportion equation
   196,658.47 : 271,412.01 = 111,788.29 : x
2. Step 2: Convert to fraction form
   196,658.47/271,412.01 = 111,788.29/x
3. Step 3: Cross multiply
   196,658.47x = 271,412.01 × 111,788.29
4. Step 4: Simplify right side
   196,658.47x = 30,340,684,483.36
5. Step 5: Solve for x
   x = 30,340,684,483.36/196,658.47
6. Step 6: Final answer
   x = 154,281.10