Finding the Fourth Proportional to 105,480.18, 158,221.89 and 34,402.51

Step by Step Solution

1. Step 1: Write the proportion equation
   105,480.18 : 158,221.89 = 34,402.51 : x
2. Step 2: Convert to fraction form
   105,480.18/158,221.89 = 34,402.51/x
3. Step 3: Cross multiply
   105,480.18x = 158,221.89 × 34,402.51
4. Step 4: Simplify right side
   105,480.18x = 5,443,230,152.94
5. Step 5: Solve for x
   x = 5,443,230,152.94/105,480.18
6. Step 6: Final answer
   x = 51,604.29