Finding the Fourth Proportional to 347,778.50, 521,571.37 and 123,109.37

Step by Step Solution

1. Step 1: Write the proportion equation
   347,778.50 : 521,571.37 = 123,109.37 : x
2. Step 2: Convert to fraction form
   347,778.50/521,571.37 = 123,109.37/x
3. Step 3: Cross multiply
   347,778.50x = 521,571.37 × 123,109.37
4. Step 4: Simplify right side
   347,778.50x = 64,210,322,770.74
5. Step 5: Solve for x
   x = 64,210,322,770.74/347,778.50
6. Step 6: Final answer
   x = 184,629.94