Finding the Fourth Proportional to 105,576.02, 145,697.27 and 60,253.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,576.02 : 145,697.27 = 60,253.10 : x
2. Step 2: Convert to fraction form
   105,576.02/145,697.27 = 60,253.10/x
3. Step 3: Cross multiply
   105,576.02x = 145,697.27 × 60,253.10
4. Step 4: Simplify right side
   105,576.02x = 8,778,712,179.04
5. Step 5: Solve for x
   x = 8,778,712,179.04/105,576.02
6. Step 6: Final answer
   x = 83,150.63