Finding the Fourth Proportional to 108,116.10, 161,785.35 and 73,124.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,116.10 : 161,785.35 = 73,124.10 : x
2. Step 2: Convert to fraction form
   108,116.10/161,785.35 = 73,124.10/x
3. Step 3: Cross multiply
   108,116.10x = 161,785.35 × 73,124.10
4. Step 4: Simplify right side
   108,116.10x = 11,830,408,111.94
5. Step 5: Solve for x
   x = 11,830,408,111.94/108,116.10
6. Step 6: Final answer
   x = 109,423.19