Finding the Fourth Proportional to 105,845.88, 146,066.76 and 58,100.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,845.88 : 146,066.76 = 58,100.04 : x
2. Step 2: Convert to fraction form
   105,845.88/146,066.76 = 58,100.04/x
3. Step 3: Cross multiply
   105,845.88x = 146,066.76 × 58,100.04
4. Step 4: Simplify right side
   105,845.88x = 8,486,484,598.67
5. Step 5: Solve for x
   x = 8,486,484,598.67/105,845.88
6. Step 6: Final answer
   x = 80,177.75