Finding the Fourth Proportional to 83,015.68, 124,608.28 and 60,762.96

Step by Step Solution

1. Step 1: Write the proportion equation
   83,015.68 : 124,608.28 = 60,762.96 : x
2. Step 2: Convert to fraction form
   83,015.68/124,608.28 = 60,762.96/x
3. Step 3: Cross multiply
   83,015.68x = 124,608.28 × 60,762.96
4. Step 4: Simplify right side
   83,015.68x = 7,571,567,933.31
5. Step 5: Solve for x
   x = 7,571,567,933.31/83,015.68
6. Step 6: Final answer
   x = 91,206.48