Finding the Fourth Proportional to 109,053.78, 163,580.69 and 34,173.91

Step by Step Solution

1. Step 1: Write the proportion equation
   109,053.78 : 163,580.69 = 34,173.91 : x
2. Step 2: Convert to fraction form
   109,053.78/163,580.69 = 34,173.91/x
3. Step 3: Cross multiply
   109,053.78x = 163,580.69 × 34,173.91
4. Step 4: Simplify right side
   109,053.78x = 5,590,190,789.02
5. Step 5: Solve for x
   x = 5,590,190,789.02/109,053.78
6. Step 6: Final answer
   x = 51,260.86