Finding the Fourth Proportional to 83,012.68, 124,603.78 and 60,759.96

Step by Step Solution

1. Step 1: Write the proportion equation
   83,012.68 : 124,603.78 = 60,759.96 : x
2. Step 2: Convert to fraction form
   83,012.68/124,603.78 = 60,759.96/x
3. Step 3: Cross multiply
   83,012.68x = 124,603.78 × 60,759.96
4. Step 4: Simplify right side
   83,012.68x = 7,570,920,688.65
5. Step 5: Solve for x
   x = 7,570,920,688.65/83,012.68
6. Step 6: Final answer
   x = 91,201.98