Finding the Fourth Proportional to 249,109.51, 373,723.58 and 80,629.86

Step by Step Solution

1. Step 1: Write the proportion equation
   249,109.51 : 373,723.58 = 80,629.86 : x
2. Step 2: Convert to fraction form
   249,109.51/373,723.58 = 80,629.86/x
3. Step 3: Cross multiply
   249,109.51x = 373,723.58 × 80,629.86
4. Step 4: Simplify right side
   249,109.51x = 30,133,279,934.10
5. Step 5: Solve for x
   x = 30,133,279,934.10/249,109.51
6. Step 6: Final answer
   x = 120,963.99