Finding the Fourth Proportional to 124,478.42, 171,749.49 and 73,492.34

Step by Step Solution

1. Step 1: Write the proportion equation
   124,478.42 : 171,749.49 = 73,492.34 : x
2. Step 2: Convert to fraction form
   124,478.42/171,749.49 = 73,492.34/x
3. Step 3: Cross multiply
   124,478.42x = 171,749.49 × 73,492.34
4. Step 4: Simplify right side
   124,478.42x = 12,622,271,913.91
5. Step 5: Solve for x
   x = 12,622,271,913.91/124,478.42
6. Step 6: Final answer
   x = 101,401.29