Finding the Fourth Proportional to 107,499.24, 148,350.71 and 59,103.21

Step by Step Solution

1. Step 1: Write the proportion equation
   107,499.24 : 148,350.71 = 59,103.21 : x
2. Step 2: Convert to fraction form
   107,499.24/148,350.71 = 59,103.21/x
3. Step 3: Cross multiply
   107,499.24x = 148,350.71 × 59,103.21
4. Step 4: Simplify right side
   107,499.24x = 8,768,003,314.54
5. Step 5: Solve for x
   x = 8,768,003,314.54/107,499.24
6. Step 6: Final answer
   x = 81,563.40