Finding the Fourth Proportional to 123,453.72, 170,365.34 and 69,756.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,453.72 : 170,365.34 = 69,756.12 : x
2. Step 2: Convert to fraction form
   123,453.72/170,365.34 = 69,756.12/x
3. Step 3: Cross multiply
   123,453.72x = 170,365.34 × 69,756.12
4. Step 4: Simplify right side
   123,453.72x = 11,884,025,100.88
5. Step 5: Solve for x
   x = 11,884,025,100.88/123,453.72
6. Step 6: Final answer
   x = 96,263.00