Finding the Fourth Proportional to 123,561.64, 185,355.42 and 40,462.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,561.64 : 185,355.42 = 40,462.12 : x
2. Step 2: Convert to fraction form
   123,561.64/185,355.42 = 40,462.12/x
3. Step 3: Cross multiply
   123,561.64x = 185,355.42 × 40,462.12
4. Step 4: Simplify right side
   123,561.64x = 7,499,873,246.69
5. Step 5: Solve for x
   x = 7,499,873,246.69/123,561.64
6. Step 6: Final answer
   x = 60,697.42