Finding the Fourth Proportional to 196,914.78, 271,748.66 and 112,037.31

Step by Step Solution

1. Step 1: Write the proportion equation
   196,914.78 : 271,748.66 = 112,037.31 : x
2. Step 2: Convert to fraction form
   196,914.78/271,748.66 = 112,037.31/x
3. Step 3: Cross multiply
   196,914.78x = 271,748.66 × 112,037.31
4. Step 4: Simplify right side
   196,914.78x = 30,445,988,302.32
5. Step 5: Solve for x
   x = 30,445,988,302.32/196,914.78
6. Step 6: Final answer
   x = 154,615.05