Finding the Fourth Proportional to 105,353.28, 145,375.62 and 62,334.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105,353.28 : 145,375.62 = 62,334.09 : x
2. Step 2: Convert to fraction form
   105,353.28/145,375.62 = 62,334.09/x
3. Step 3: Cross multiply
   105,353.28x = 145,375.62 × 62,334.09
4. Step 4: Simplify right side
   105,353.28x = 9,061,856,980.89
5. Step 5: Solve for x
   x = 9,061,856,980.89/105,353.28
6. Step 6: Final answer
   x = 86,014.00