Finding the Fourth Proportional to 196,426.56, 271,068.72 and 107,002.56

Step by Step Solution

1. Step 1: Write the proportion equation
   196,426.56 : 271,068.72 = 107,002.56 : x
2. Step 2: Convert to fraction form
   196,426.56/271,068.72 = 107,002.56/x
3. Step 3: Cross multiply
   196,426.56x = 271,068.72 × 107,002.56
4. Step 4: Simplify right side
   196,426.56x = 29,005,046,975.92
5. Step 5: Solve for x
   x = 29,005,046,975.92/196,426.56
6. Step 6: Final answer
   x = 147,663.57