Finding the Fourth Proportional to 197,680.94, 272,819.25 and 112,810.76

Step by Step Solution

1. Step 1: Write the proportion equation
   197,680.94 : 272,819.25 = 112,810.76 : x
2. Step 2: Convert to fraction form
   197,680.94/272,819.25 = 112,810.76/x
3. Step 3: Cross multiply
   197,680.94x = 272,819.25 × 112,810.76
4. Step 4: Simplify right side
   197,680.94x = 30,776,945,571.03
5. Step 5: Solve for x
   x = 30,776,945,571.03/197,680.94
6. Step 6: Final answer
   x = 155,690.00