Finding the Fourth Proportional to 253,173.99, 379,947.89 and 120,054.69

Step by Step Solution

1. Step 1: Write the proportion equation
   253,173.99 : 379,947.89 = 120,054.69 : x
2. Step 2: Convert to fraction form
   253,173.99/379,947.89 = 120,054.69/x
3. Step 3: Cross multiply
   253,173.99x = 379,947.89 × 120,054.69
4. Step 4: Simplify right side
   253,173.99x = 45,614,525,549.83
5. Step 5: Solve for x
   x = 45,614,525,549.83/253,173.99
6. Step 6: Final answer
   x = 180,170.67