Finding the Fourth Proportional to 307,667.35, 461,479.12 and 83,040.58

Step by Step Solution

1. Step 1: Write the proportion equation
   307,667.35 : 461,479.12 = 83,040.58 : x
2. Step 2: Convert to fraction form
   307,667.35/461,479.12 = 83,040.58/x
3. Step 3: Cross multiply
   307,667.35x = 461,479.12 × 83,040.58
4. Step 4: Simplify right side
   307,667.35x = 38,321,493,782.69
5. Step 5: Solve for x
   x = 38,321,493,782.69/307,667.35
6. Step 6: Final answer
   x = 124,554.96