Finding the Fourth Proportional to 107,443.53, 148,290.33 and 62,149.05

Step by Step Solution

1. Step 1: Write the proportion equation
   107,443.53 : 148,290.33 = 62,149.05 : x
2. Step 2: Convert to fraction form
   107,443.53/148,290.33 = 62,149.05/x
3. Step 3: Cross multiply
   107,443.53x = 148,290.33 × 62,149.05
4. Step 4: Simplify right side
   107,443.53x = 9,216,103,133.69
5. Step 5: Solve for x
   x = 9,216,103,133.69/107,443.53
6. Step 6: Final answer
   x = 85,776.25