Finding the Fourth Proportional to 123,435.12, 184,904.76 and 56,782.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,435.12 : 184,904.76 = 56,782.56 : x
2. Step 2: Convert to fraction form
   123,435.12/184,904.76 = 56,782.56/x
3. Step 3: Cross multiply
   123,435.12x = 184,904.76 × 56,782.56
4. Step 4: Simplify right side
   123,435.12x = 10,499,365,628.99
5. Step 5: Solve for x
   x = 10,499,365,628.99/123,435.12
6. Step 6: Final answer
   x = 85,059.79