Finding the Fourth Proportional to 108,314.64, 149,488.20 and 70,698.24

Step by Step Solution

1. Step 1: Write the proportion equation
   108,314.64 : 149,488.20 = 70,698.24 : x
2. Step 2: Convert to fraction form
   108,314.64/149,488.20 = 70,698.24/x
3. Step 3: Cross multiply
   108,314.64x = 149,488.20 × 70,698.24
4. Step 4: Simplify right side
   108,314.64x = 10,568,552,640.77
5. Step 5: Solve for x
   x = 10,568,552,640.77/108,314.64
6. Step 6: Final answer
   x = 97,572.71