Finding the Fourth Proportional to 105,263.84, 157,612.82 and 80,184.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,263.84 : 157,612.82 = 80,184.42 : x
2. Step 2: Convert to fraction form
   105,263.84/157,612.82 = 80,184.42/x
3. Step 3: Cross multiply
   105,263.84x = 157,612.82 × 80,184.42
4. Step 4: Simplify right side
   105,263.84x = 12,638,092,215.60
5. Step 5: Solve for x
   x = 12,638,092,215.60/105,263.84
6. Step 6: Final answer
   x = 120,061.10