Finding the Fourth Proportional to 103,377.06, 154,741.59 and 71,168.22

Step by Step Solution

1. Step 1: Write the proportion equation
   103,377.06 : 154,741.59 = 71,168.22 : x
2. Step 2: Convert to fraction form
   103,377.06/154,741.59 = 71,168.22/x
3. Step 3: Cross multiply
   103,377.06x = 154,741.59 × 71,168.22
4. Step 4: Simplify right side
   103,377.06x = 11,012,683,520.27
5. Step 5: Solve for x
   x = 11,012,683,520.27/103,377.06
6. Step 6: Final answer
   x = 106,529.28