Finding the Fourth Proportional to 103,353.92, 142,628.50 and 60,362.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,353.92 : 142,628.50 = 60,362.72 : x
2. Step 2: Convert to fraction form
   103,353.92/142,628.50 = 60,362.72/x
3. Step 3: Cross multiply
   103,353.92x = 142,628.50 × 60,362.72
4. Step 4: Simplify right side
   103,353.92x = 8,609,444,209.52
5. Step 5: Solve for x
   x = 8,609,444,209.52/103,353.92
6. Step 6: Final answer
   x = 83,300.61