Finding the Fourth Proportional to 105,929.17, 146,184.55 and 58,185.14

Step by Step Solution

1. Step 1: Write the proportion equation
   105,929.17 : 146,184.55 = 58,185.14 : x
2. Step 2: Convert to fraction form
   105,929.17/146,184.55 = 58,185.14/x
3. Step 3: Cross multiply
   105,929.17x = 146,184.55 × 58,185.14
4. Step 4: Simplify right side
   105,929.17x = 8,505,767,631.20
5. Step 5: Solve for x
   x = 8,505,767,631.20/105,929.17
6. Step 6: Final answer
   x = 80,296.75