Finding the Fourth Proportional to 105,814.02, 146,025.14 and 58,071.81

Step by Step Solution

1. Step 1: Write the proportion equation
   105,814.02 : 146,025.14 = 58,071.81 : x
2. Step 2: Convert to fraction form
   105,814.02/146,025.14 = 58,071.81/x
3. Step 3: Cross multiply
   105,814.02x = 146,025.14 × 58,071.81
4. Step 4: Simplify right side
   105,814.02x = 8,479,944,185.30
5. Step 5: Solve for x
   x = 8,479,944,185.30/105,814.02
6. Step 6: Final answer
   x = 80,140.08