Finding the Fourth Proportional to 196,978.36, 271,762.68 and 112,074.16

Step by Step Solution

1. Step 1: Write the proportion equation
   196,978.36 : 271,762.68 = 112,074.16 : x
2. Step 2: Convert to fraction form
   196,978.36/271,762.68 = 112,074.16/x
3. Step 3: Cross multiply
   196,978.36x = 271,762.68 × 112,074.16
4. Step 4: Simplify right side
   196,978.36x = 30,457,574,080.35
5. Step 5: Solve for x
   x = 30,457,574,080.35/196,978.36
6. Step 6: Final answer
   x = 154,623.96