Finding the Fourth Proportional to 249,629, 374,443.56 and 83,417

Step by Step Solution

1. Step 1: Write the proportion equation
   249,629 : 374,443.56 = 83,417 : x
2. Step 2: Convert to fraction form
   249,629/374,443.56 = 83,417/x
3. Step 3: Cross multiply
   249,629x = 374,443.56 × 83,417
4. Step 4: Simplify right side
   249,629x = 31,234,958,444.52
5. Step 5: Solve for x
   x = 31,234,958,444.52/249,629
6. Step 6: Final answer
   x = 125,125.52