Finding the Fourth Proportional to 249,727.30, 374,512.86 and 83,476.42

Step by Step Solution

1. Step 1: Write the proportion equation
   249,727.30 : 374,512.86 = 83,476.42 : x
2. Step 2: Convert to fraction form
   249,727.30/374,512.86 = 83,476.42/x
3. Step 3: Cross multiply
   249,727.30x = 374,512.86 × 83,476.42
4. Step 4: Simplify right side
   249,727.30x = 31,262,992,796.76
5. Step 5: Solve for x
   x = 31,262,992,796.76/249,727.30
6. Step 6: Final answer
   x = 125,188.53