Finding the Fourth Proportional to 197,061.52, 271,945.14 and 112,178.50

Step by Step Solution

1. Step 1: Write the proportion equation
   197,061.52 : 271,945.14 = 112,178.50 : x
2. Step 2: Convert to fraction form
   197,061.52/271,945.14 = 112,178.50/x
3. Step 3: Cross multiply
   197,061.52x = 271,945.14 × 112,178.50
4. Step 4: Simplify right side
   197,061.52x = 30,506,397,887.49
5. Step 5: Solve for x
   x = 30,506,397,887.49/197,061.52
6. Step 6: Final answer
   x = 154,806.47