Finding the Fourth Proportional to 105,849.33, 146,072.28 and 62,837.45

Step by Step Solution

1. Step 1: Write the proportion equation
   105,849.33 : 146,072.28 = 62,837.45 : x
2. Step 2: Convert to fraction form
   105,849.33/146,072.28 = 62,837.45/x
3. Step 3: Cross multiply
   105,849.33x = 146,072.28 × 62,837.45
4. Step 4: Simplify right side
   105,849.33x = 9,178,809,056.38
5. Step 5: Solve for x
   x = 9,178,809,056.38/105,849.33
6. Step 6: Final answer
   x = 86,715.80