Finding the Fourth Proportional to 134,411.72, 185,486.72 and 73,981.06

Step by Step Solution

1. Step 1: Write the proportion equation
   134,411.72 : 185,486.72 = 73,981.06 : x
2. Step 2: Convert to fraction form
   134,411.72/185,486.72 = 73,981.06/x
3. Step 3: Cross multiply
   134,411.72x = 185,486.72 × 73,981.06
4. Step 4: Simplify right side
   134,411.72x = 13,722,504,161.52
5. Step 5: Solve for x
   x = 13,722,504,161.52/134,411.72
6. Step 6: Final answer
   x = 102,093.06