Finding the Fourth Proportional to 108,046.30, 161,862.90 and 58,109.80

Step by Step Solution

1. Step 1: Write the proportion equation
   108,046.30 : 161,862.90 = 58,109.80 : x
2. Step 2: Convert to fraction form
   108,046.30/161,862.90 = 58,109.80/x
3. Step 3: Cross multiply
   108,046.30x = 161,862.90 × 58,109.80
4. Step 4: Simplify right side
   108,046.30x = 9,405,820,746.42
5. Step 5: Solve for x
   x = 9,405,820,746.42/108,046.30
6. Step 6: Final answer
   x = 87,053.61