Finding the Fourth Proportional to 196,818.02, 271,645.94 and 123,264.55

Step by Step Solution

1. Step 1: Write the proportion equation
   196,818.02 : 271,645.94 = 123,264.55 : x
2. Step 2: Convert to fraction form
   196,818.02/271,645.94 = 123,264.55/x
3. Step 3: Cross multiply
   196,818.02x = 271,645.94 × 123,264.55
4. Step 4: Simplify right side
   196,818.02x = 33,484,314,182.47
5. Step 5: Solve for x
   x = 33,484,314,182.47/196,818.02
6. Step 6: Final answer
   x = 170,128.30